# Displacement and Velocity

### Topic Page

Displacement and Velocity### Questions

- What is the difference between distance and displacement?
- Is displacement directly proportional to velocity?
- How does average velocity differ from instantaneous velocity?
- How can I calculate the change of velocity?
- How do speed and velocity differ from each other?
- How do velocity and acceleration differ?
- How do displacement and distance differ?
- Can displacement be negative?
- Can velocity be zero if accelerating?
- Explain why displacement is a vector quantity?
- How is velocity different from speed?
- What are some common mistakes students make with velocity?
- What are some examples of velocity?
- What is velocity?
- What are some examples of displacement?
- What is displacement?
- What are some examples of scalar numbers?
- Question #7412c
- An experiment was done to determine a student's reaction time. Student A placed a meter stick between two of Student B's fingers. Student A called out when she let go of the meter stick. Student B caught the meter stick. Calculate reaction time?
- Question #75d77
- Question #359e9
- Question #73a75
- A plane could fly at an average speed of 694 m/s. Calculate how long it would take the plane to fly around the world (which is #4.00 xx 10^7\ "m"#)?
- What is the relationship between linear speed and angular speed?
- How do you calculate average speed?
- How do you calculate speed and velocity?
- How do you calculate the "change in speed"?
- A car travels 60 miles in 50 minutes. What is the average speed of the car in mph?
- A 2.67 kg block slides down a frictionless plane, from rest, with an acceleration of 5.48009 m/s^2. What's the block's speed (in m/s) after travelling 2.1 m along the incline?
- What is average speed and how is it different from instantaneous speed?
- A car travels for 15-s at a velocity of 12m/s due north. What is the displacement of the car?
- Starting from home, you bicycle 20 km north in 2.9 h, then turn around and pedal straight home in 1.9 h. What is your displacement after the first 2.9 h? What is your displacement for the entire trip? What is your average velocity for the entire trip?
- Assuming no air resistance, how long does it take a penny to fall if thrown down with an initial velocity of 5.0 m/s from the CN tower (553m). Acceleration due to gravity is 9.8 m/s2?
- A car travels along a straight stretch of road. It proceeds for 14.1 mi at 59 mi/h, then 29.3 mi at 49 mi/h, and finally 44.2 mi at 35.4 mi/h. What is the car's average velocity during the entire trip?
- Question #c5b76
- Question #8c623
- Question #4d59d
- Question #e1c74
- Question #85311
- For the equation #v_f^2=v_i^2 + 2ad#, how do you solve for #v_i#?
- For the formula #D= [(v_i + v_f)/2] xx t#, how do you solve for t?
- A surface probe on the planet Mercury falls 17.6m downward from a ledge. If free-fall acceleration near Mercury is -3.70 m/#s^2#, what is the probe's velocity when it reaches the ground?
- How does one use #d=v_ixxt + [(axxt^2)/2]# to prove #v_f^2=v_i^2+2ad#?
- Question #1f118
- An aeroplane flies 400 m due north and then 300 m due south and then flies 1200 m upwards, the net displacement is ?
- Question #82998
- In a water- tank test involving the launching of a small model boat, the model's initial horizontal velocity is 6 m/s and its horizontal acceleration varies linearly from -12 m/s2 at t=0 to -2 m/s2 at t=t1 and then remains equal to -2 m/s2 until t=1.4 ?
- Question #75ba1
- Question #e5afe
- Question #6cea0
- The velocity function is #v(t)= –t^2+3t – 2# for a particle moving along a line. What is the displacement (net distance covered) of the particle during the time interval [-3,6]?
- What is the relationship between displacement, time, velocity and acceleration?
- How do you calculate displacement on a velocity vs. time graph?
- An object started to move from its starting point with the initial velocity of 3.6 m/s to the right and constant decelerating at 1.2 m/s. What is the velocity and displacement when time is 1 sec? 2 secs? 3 secs? 4 secs? 5 secs? 6 secs?
- A car drives north for 35 minutes at 85 km/hr and then stop for 15 mins. The car continues north traveling 130 km in 2 hours. What is the total displacement and average velocity?
- At time t = 0 s, a wheel has an angular displacement of zero radians and an angular velocity of +28 rad/s. The wheel has a constant acceleration of -0.50 rad/#s^2#. In this situation, at what time will the wheel come to a halt?
- What is the difference between displacement and velocity? What does each measure?
- A rocket with a satellite accelerates upward from the earth's surface. At 1.15 sec. after liftoff, the rocket clears the top of its launch platform, 63 m above the ground. What is the magnitude of the average velocity of the rocket for the 4.75 s flight?
- A car rolling down a hill accelerates from rest to 22m/s in 40s. What is the average velocity of the car? What is the displacement of the car as it rolls down the hill?
- A car drives north at 50 mi/h for 10 min and then turns east and goes 5.0 min at 62 mi/h. Finally, it goes southwest at 26 mi/h for 6.0 min. what is the car's displacement? What is its average velocity for this trip?
- A hiker travels 300 m [N], turns around and hikes 550 m [S], and then hikes back another 50.0 m[N]. He manages to do this in 7200 seconds. What is the hiker's displacement? What is the hiker's average speed? What is the hiker's velocity?
- The velocity function is #v(t)=-t^2+4t-3# for a particle moving along a line. Find the displacement of the particle during the time interval [0,5]?
- How is displacement found from a velocity time graph?
- How are displacement, velocity and acceleration related?
- Question #0d07e
- Question #f8f00
- Question #0ff30
- Question #d7002
- Question #a7529
- Question #0ed3c
- How solve this equation where 0.8=0.2 cos (31.4 t) where 31.4 is the unit in radian per second and we want to find t (time)value, the answer is t=0.037 seconds, how to solve it algebraically?
- Question #628c9
- Question #4aa5a
- Question #0673b
- Two trains, each having a speed of 24 km/h, are headed at each other on the same straight track. A bird that can fly 48 km/h flies off the front of one train when they are 48 km apart and heads directly for the other train ?
- A man walks 98m south. He stops and drops a letter into the mailbox, turns and walks 28m to the north. This trip took 4 minutes. What was the man's average speed for the walk?
- How far does the runner whose velocity–time graph is shown in the figure travel in 16 s? The figure's vertical scaling is set by vs = 9.00 m/s ?
- Question #5d5a2
- A train at a constant 52.0 km/h moves east for 21.0 min, then in a direction 50.0° east of due north for 24.0 min, and then west for 31.0 min. What are the (a) magnitude and (b) angle (relative to east) of its average velocity during this trip ?
- A ship sets out to sail to a point 149 km due north. An storm blows the ship to a point 121 km due east of its starting point. How far and what direction (as an angle from due east, where north of east is a positive angle) must it now sail ?
- Question #829d9
- Question #b43b8
- A ball is launched vertically upwards from ground level with an initial velocity of 30 m/s. About how much time elapses before it reaches the ground? About what maximum altitude does it reach above ground? Please explain I'm so confused.
- Question #ae78b
- If a net force of 25 N is exerted over a distance of 4 m on a 2 kg mass object and moves it, what is the final velocity?
- What is a net force?
- How to calculate #(dv_x)/(dt)# to find #x# component using #x(t) = -0.62t + 7.2#?
- A 89 kg man lying on a surface of negligible friction shoves a 89 g stone away from himself, giving it a speed of 6.9 m/s. What speed does the man acquire as a result ?
- A passenger plane made a trip to Las Vegas and back. On the trip there it flew 432 mph and on the return trip it went 480 mph. How long did the trip there take if the return trip took nine hours?
- Consider a car driven along a circular racetrack of radius 1.6 km. What is the magnitude of its displacement after 2.5 laps? What is the total distance traveled?
- A roller coaster cart with mass m= 150 kg is at the top of a ride travelling at #v_0 = 10# m/s on frictionless tracks. The cart then descends on the almost vertical drop of the ride. The height is 110 m high. What is the cart's speed at base of the ride?
- The current of a river is 2 miles per hour. A boat travels to a point 8 miles upstream and back again in 3 hours. What is the speed of the boat in still water?
- A skateboarder descends on a ramp from 172 feet to 67 feet in 15 seconds. What is the average change in height per second?
- How many nanoseconds (1 nanosecond = #10^-9#) does it take a computer signal to travel 60 cm at a rate of #2.4 * 10^10# cm/s?
- A hot air balloon begins its descent at a rate of 22#1/2# feet per minute. How long will it take for the balloon' s elevation to change by —315 feet?
- Your friend is traveling at a constant 30.0m/s and has a 1600m head start. How many minutes will it take you to catch them if you are traveling at a constant 50.0m/s?
- Why is speed classiﬁed as a scalar quantity and velocity classiﬁed as a vector quantity?
- A ball starting from rest accelerated uniformly at 5.0 m/s as it rolls 40 meters down an incline. How much time is required for the ball to roll the 40 meters?
- How many seconds will it take for a satellite to travel 450 km at a rate of 120 m/s?
- What is the speed of a rocket that travels 9000 meters in 12.12 seconds?
- A 74 kg student starting from rest, slides down an 11.8 meter high water-slide. How fast is he going at the bottom of the slide?
- Michiko walked a distance 1.60 km in 30 m. What was her average speed in m/s?
- How far does a car travel in 0.75 hours if it's moving at a constant speed of 88 km/h?
- A sky diver falls at a constant speed in the spread-eagle position. After he opens his parachute, is the sky diver accelerating? If so, in which direction?
- A sprinter runs 100 meters in 11.5 seconds. What is the runner's average running rate in meters per second?
- What is the speed of a bicyclist who took an hour and a half to travel 10 kilometers?
- A man wearing a bulletproof vest stands still on roller skates. The total mass is 80 kg. A bullet of mass 20 grams is fired at 400 m/s. It is stopped by the vest and falls to the ground. What is the velocity of the man?
- What is the average speed of a car that travels 600 km in 10 hours?
- A truck 10,000 kg going 40 m/s loses its brakes. If the runoff ramp is at an angle of 30°, how long will it take to stop?
- Question #d667a
- Mikaela is competing in a race. She runs 5 kilometers in .5 hour. How many kilometers can Mikaela run in 1 hr?
- Sheila can ride her bicycle 6000 meters in 15 minutes. How far can she ride her bicycle in 2 minutes?
- What is the average speed of a train that traveled 543 kilometers in 6 hours?
- What is the speed of a bus that travels 450 miles in 6 hours?
- A boy finds himself at the bottom of a hole 1.25 meters deep. If the boy is to jump out of the hole, with what minimum velocity must he launch himself?
- A squirrel sitting on the ground starts to run with an acceleration of #5.1# #m##/##s^2#. How fast is the squirrel going after #.25# seconds?
- A train made a trip to New York and back. On the trip there it traveled 22 mph and on the return trip it went 10 mph. How long did the trip there take if the return trip took 11 hours?
- Lauren's SUV was detected exceeding the posted speed limit of 60 kilometers per hour, how many kilometers per hour would she have been traveling over the limit if she had covered a distance of 10 kilometers in 5 minutes?
- A baseball is thrown a distance of 20 meters. What is its speed if it takes .5 seconds to cover the distance?
- What is the speed for a car that went a distance of 125 kilometers in 2 hours time?
- What is the time taken to travel 7150 km with a speed of 780 km/hr?
- When a cyclist squeezes her brake lever, she can stop wlth an acceleration of #3.0# #m##/##s^2# . How far will her bike travel while coming to a complete step if her initial speed was #11# #m##/##s#?
- A lion accelerates from rest at a rate of #4.2# #m##/##s^2#. How far has the lion gone after #4# seconds?
- A skier has an deceleration of #2.5# #m##/##s^2#. How long does it take her to come to a complete stop from a speed of #18# #m##/##s#?
- If a car, with an initial speed of 10 m/s, accelerates at a rate of 50 m/s/s for 3 seconds, what will its final speed be?
- What are the two components of velocity?
- An automobile rolls down an incline, traveling #s(t) = 6t^2 + 3# feet in #t# seconds. What is the velocity at #t = 2#, and after how many seconds will the velocity be #30# #f##/##sec#?
- Nestor finished a 42- kilometer bicycle race in 1 hour 45 minutes. What was his average speed In kilometers per hour?
- Tameron is driving #540# miles to college. If he drives at an average rate of #45# miles per hour, how many hours will it take to get #3/4# of the way there?
- A car starting from rest accelerates at a rate of 8.0 m/s. What is its final speed at the end at 4.0 seconds?
- Two blocks with masses m1 = 3.00 kg and m2 = 5.00 kg are connected by a light string that slides over two frictionless pulleys as shown.Initially m2 is held 5.00 m off the floor while m1 is on the floor. The system is then released. ?
- When sprinting, Rich can accelerate at #0.5# #m##/##s^2#. How many seconds would it take Rich to sprint a distance of 200 m if he starts from rest?
- A moving walkway has a speed of 0.4 m/s to the east. A stationary observer sees a man walking on the walkway with a velocity of 0.3 m/s to the east. What is the man's velocity relative to the moving walkway?
- A motorboat accelerates uniformly from a velocity of #6.5# #m##/##s# to the west to a velocity of #1.5# #m##/##s# to the west. If its acceleration was #2.7# #m##/##s^2# to the east, how far did it travel during the acceleration?
- A car with an initial speed of #6.5# #m##/##s# accelerates at a uniform rate of #0.92# #m##/##s^2# for #3.6# #s#. What is the final speed and the displacement of the car during this time?
- A 10 kg mass has a KE of 125 J, what is its velocity?
- Sonya and Isaac are in motorboats located at the center of a lake. At time t = 0, Sonya begins traveling south at a speed of 32 mph. At the same time Isaac takes off, heading east at 27 mph. How far have they traveled after 12 minutes?
- What is the speed of a jet plane that travels 528 meters in 4 seconds?
- A truck driver takes 3 hours to drive the first 210 miles of a trip. He then takes a 1 hour rest at a rest stop. He drives the final 200 miles of the trip in 4 hours. What is the average speed for the entire trip?
- A boat is trying to cross a river that is flowing at 2 m/s. The boat can travel at 4m/s. What is the resultant velocity of the boat?
- Molly kicks a soccer ball into the air with an initial velocity of 15 m/s. It lands 20 meters from where she kicked it. At what angle did Molly launch the ball?
- A cannon ball is launched (from the ground) at an angle of 35 degrees, and lands 2500 m from where it was launched. At what speed was the cannon ball launched?
- A delivery truck traveled 133 miles in 3.5 hours. What was the average speed of the delivery truck in miles per hour?
- What is the speed of an object that travels from #(4,-7,1) # to #(-1,9,3) # over #6 s#?
- What is the speed of an object that travels from #(4,-7,1) # to #(-1,3,-8) # over #6 s#?
- What is the speed of an object that travels from #(9,-6,1) # to #(-1,3,-8) # over #6 s#?
- What is the speed of an object that travels from #(9,-6,1) # to #(-1,3,-8) # over #4 s#?
- What is the speed of an object that travels from #(9,-6,1) # to #(-1,5,-1 ) # over #4 s#?
- What is the speed of an object that travels from #( 6, -3, 1) # to #(-1,5,-1 ) # over #4 s#?
- What is the speed of an object that travels from #( 6, -3, 1) # to #(-1, -2, 7 ) # over #4 s#?
- What is the speed of an object that travels from #( -5 , 2, -8) # to #(6 , -2, 7 ) # over #4 s#?
- What is the speed of an object that travels from #( -5 , 2, 3 ) # to #(6 , 0, 7 ) # over #4 s#?
- What is the speed of an object that travels from #( 1, -2, 3 ) # to #(6 , 0, 7 ) # over #4 s#?
- What is the speed of an object that travels from #( 1, -2, 3 ) # to #( -5, 6, 7 ) # over #4 s#?
- What is the speed of an object that travels from #( 7 , -4, 3 ) # to #( -2 , 4, 9 ) # over #4 s#?
- What is the speed of an object that travels from #( 8 , -4, 3 ) # to #( -2 , -1, 6 ) # over #4 s#?
- What is the speed of an object that travels from #( 8 , 4, 1 ) # to #( 6 , -1, 6 ) # over #4 s#?
- What is the speed of an object that travels from #( 8 , 4, 5 ) # to #( 6 , -4, ,2 ) # over #4 s#?
- What is the speed of an object that travels from #( 8 , 4, 1 ) # to #( 6 , 0, ,2 ) # over #2 s#?
- What is the speed of an object that travels from #( 8 , 2,6 ) # to #( 5 , -4 ,1 ) # over #2 s#?
- What is the speed of an object that travels from #( 8 , -3, 6 ) # to #( -8 , -4 ,1 ) # over #2 s#?
- What is the speed of an object that travels from #( 2,-5,6 ) # to #( 2, -4 ,1 ) # over #2 s#?
- What is the speed of an object that travels from #( 7,1,6 ) # to #( 4,-3,7 ) # over #2 s#?
- What is the speed of an object that travels from #( -4,6,1) # to #( 9,3,7 ) # over #2 s#?
- What is the speed of an object that travels from #( -4,6,1) # to #( -1,4,-2 ) # over #2 s#?
- What is the speed of an object that travels from #( 7,-8,1) # to #( -1,4,-2 ) # over #2 s#?
- What is the speed of an object that travels from #( 7,-8,1) # to #( -1,4,-6 ) # over #2 s#?
- What is the speed of an object that travels from #( -9,0,1) # to #( -1,4,-6 ) # over #2 s#?
- What is the speed of an object that travels from #( -9,0,1) # to #( -1,4,3 ) # over #2 s#?
- What is the speed of an object that travels from #( -2, -5, 1 ) # to #( -1,4,3 ) # over #2 s#?
- What is the speed of an object that travels from #( -2, -5, 1 ) # to #( -5 , -7, 4 ) # over #2 s#?
- What is the speed of an object that travels from #( 8,-8,2) # to #( -5 , -3,-7 ) # over #2 s#?
- What is the speed of an object that travels from #( -1, 7,2) # to #( -3, 4,7 ) # over #2 s#?
- What is the speed of an object that travels from #( -1, 7,2) # to #( -3, -1,0 ) # over #2 s#?
- What is the speed of an object that travels from #( 4,-2,2) # to #( -3, 8,-7 ) # over #2 s#?
- What is the speed of an object that travels from #( 4,-2,2) # to #( -3, 8,-7 ) # over #3 s#?
- What is the speed of an object that travels from #( -2,1,2) # to #( -3, 0,-7 ) # over #3 s#?
- What is the speed of an object that travels from #( -2,1,2) # to #( -3, 0,-6 ) # over #3 s#?
- What is the speed of an object that travels from #( -4,6,2) # to #( -3, 9,-6 ) # over #3 s#?
- What is the speed of an object that travels from #( 8,-4,2) # to #( 7,-3,6 ) # over #3 s#?
- What is the speed of an object that travels from #( 6, -2, 3) # to #( 7,-3,6 ) # over #3 s#?
- What is the speed of an object that travels from #( -9,4,-6) # to #( 7,1,-2 ) # over #3 s#?
- What is the speed of an object that travels from #( -9,4,-6) # to #( -5,1,-2 ) # over #3 s#?
- What is the speed of an object that travels from #( -9,4,-6) # to #( -9,-9,2) # over #3 s#?
- What is the speed of an object that travels from #( 1,-4,6) # to #( 0,-9,2) # over #3 s#?
- A jogger runs along a road for a distance of 2700 m. If it takes her 900 seconds to to run that distance, what is her speed?
- Question #44100
- A girl leaves a history classroom and walks 10 meters north to a drinking fountain. Then she turns and walks 30 meters south to an art classroom. What is the girl's total displacement from the history classroom to the art classroom?
- Question #91442
- Josh rolled a bowling ball down a lane in 2.5 s. The ball traveled at a constant acceleration of 1.8 m/s2 and was traveling at a speed of 7.6 m/s by the time it reached the pins at the end of the lane. How fast was the ball going when it left?
- Physics Help Needed?
- Question #d5a89
- Question #a2b1c
- You are in the back of a pickup truck on a warm summer day and you have just finished eating an apple. The core is in your hand and you notice the truck is just passing an open dumpster 7.0 m due west of you. The truck is going 30.0 km/h due north - cont?
- Question #2566c
- Question #adbc5
- Question #20d2a
- Question #8812a
- How long would it take to drive 15 miles at 35 miles per hour?
- Question #922b3
- Question #73ff4
- Question #b6d23
- Question #7409d
- Question #250f9
- At #t=0#, a particle is located at #x=25m# and has a velocity of #15m/s# in the positive #x# direction. The acceleration of the particle varies with time as shown in the diagram. What is the position of the particle at #t=5.0s#?
- An object has a mass of #5 kg#. The object's kinetic energy uniformly changes from #55 KJ# to # 24 KJ# over #t in [0,4s]#. What is the average speed of the object?
- An object has a mass of #5 kg#. The object's kinetic energy uniformly changes from #55 KJ# to # 42KJ# over #t in [0,4s]#. What is the average speed of the object?
- An object has a mass of #5 kg#. The object's kinetic energy uniformly changes from #15 KJ# to # 42KJ# over #t in [0,8s]#. What is the average speed of the object?
- An object has a mass of #5 kg#. The object's kinetic energy uniformly changes from #150 KJ# to # 42KJ# over #t in [0,8s]#. What is the average speed of the object?
- An object has a mass of #5 kg#. The object's kinetic energy uniformly changes from #150 KJ# to # 16KJ# over #t in [0,8s]#. What is the average speed of the object?
- An object has a mass of #4 kg#. The object's kinetic energy uniformly changes from #150 KJ# to # 16KJ# over #t in [0,8s]#. What is the average speed of the object?
- An object has a mass of #4 kg#. The object's kinetic energy uniformly changes from #150 KJ# to # 64KJ# over #t in [0,8s]#. What is the average speed of the object?
- An object has a mass of #4 kg#. The object's kinetic energy uniformly changes from #120 KJ# to # 64KJ# over #t in [0,8s]#. What is the average speed of the object?
- An object has a mass of #4 kg#. The object's kinetic energy uniformly changes from #120 KJ# to # 64KJ# over #t in [0,6s]#. What is the average speed of the object?
- An object has a mass of #4 kg#. The object's kinetic energy uniformly changes from #120 KJ# to # 64KJ# over #t in [0,5s]#. What is the average speed of the object?
- An object has a mass of #4 kg#. The object's kinetic energy uniformly changes from #104 KJ# to # 64KJ# over #t in [0,5s]#. What is the average speed of the object?
- An object has a mass of #4 kg#. The object's kinetic energy uniformly changes from #104 KJ# to # 72KJ# over #t in [0,5s]#. What is the average speed of the object?
- An object has a mass of #4 kg#. The object's kinetic energy uniformly changes from #12 KJ# to # 72KJ# over #t in [0,5s]#. What is the average speed of the object?
- An object has a mass of #3 kg#. The object's kinetic energy uniformly changes from #12 KJ# to # 72KJ# over #t in [0,5s]#. What is the average speed of the object?
- An object has a mass of #3 kg#. The object's kinetic energy uniformly changes from #12 KJ# to # 72KJ# over #t in [0,6s]#. What is the average speed of the object?
- An object has a mass of #3 kg#. The object's kinetic energy uniformly changes from #12 KJ# to # 36KJ# over #t in [0,6s]#. What is the average speed of the object?
- An object has a mass of #3 kg#. The object's kinetic energy uniformly changes from #48 KJ# to # 36KJ# over #t in [0,6s]#. What is the average speed of the object?
- An object has a mass of #3 kg#. The object's kinetic energy uniformly changes from #48 KJ# to # 32KJ# over #t in [0,6s]#. What is the average speed of the object?
- An object has a mass of #3 kg#. The object's kinetic energy uniformly changes from #48 KJ# to # 32KJ# over #t in [0,12s]#. What is the average speed of the object?
- An object has a mass of #3 kg#. The object's kinetic energy uniformly changes from #48 KJ# to # 38KJ# over #t in [0,12s]#. What is the average speed of the object?
- An object has a mass of #2 kg#. The object's kinetic energy uniformly changes from #48 KJ# to # 54KJ# over #t in [0,12s]#. What is the average speed of the object?
- An object has a mass of #2 kg#. The object's kinetic energy uniformly changes from #18 KJ# to # 54KJ# over #t in [0,12s]#. What is the average speed of the object?
- An object has a mass of #2 kg#. The object's kinetic energy uniformly changes from #18 KJ# to # 64KJ# over #t in [0,12s]#. What is the average speed of the object?
- An object has a mass of #2 kg#. The object's kinetic energy uniformly changes from #15 KJ# to # 64KJ# over #t in [0,12s]#. What is the average speed of the object?
- An object has a mass of #5 kg#. The object's kinetic energy uniformly changes from #15 KJ# to # 64KJ# over #t in [0,12s]#. What is the average speed of the object?
- An object has a mass of #6 kg#. The object's kinetic energy uniformly changes from #15 KJ# to # 64KJ# over #t in [0,12s]#. What is the average speed of the object?
- An object has a mass of #6 kg#. The object's kinetic energy uniformly changes from #18 KJ# to # 64KJ# over #t in [0,12s]#. What is the average speed of the object?
- An object has a mass of #6 kg#. The object's kinetic energy uniformly changes from #18 KJ# to # 4KJ# over #t in [0,12s]#. What is the average speed of the object?
- An object has a mass of #6 kg#. The object's kinetic energy uniformly changes from #18 KJ# to # 4KJ# over #t in [0, 9 s]#. What is the average speed of the object?
- An object has a mass of #4 kg#. The object's kinetic energy uniformly changes from #18 KJ# to # 4KJ# over #t in [0, 9 s]#. What is the average speed of the object?
- An object has a mass of #4 kg#. The object's kinetic energy uniformly changes from #18 KJ# to # 48KJ# over #t in [0, 9 s]#. What is the average speed of the object?
- An object has a mass of #4 kg#. The object's kinetic energy uniformly changes from #18 KJ# to # 42KJ# over #t in [0, 9 s]#. What is the average speed of the object?
- An object has a mass of #4 kg#. The object's kinetic energy uniformly changes from #24 KJ# to # 42KJ# over #t in [0, 9 s]#. What is the average speed of the object?
- An object has a mass of #8 kg#. The object's kinetic energy uniformly changes from #24 KJ# to # 42KJ# over #t in [0, 9 s]#. What is the average speed of the object?
- An object has a mass of #8 kg#. The object's kinetic energy uniformly changes from #24 KJ# to # 42KJ# over #t in [0, 3 s]#. What is the average speed of the object?
- An object has a mass of #8 kg#. The object's kinetic energy uniformly changes from #24 KJ# to # 64KJ# over #t in [0, 3 s]#. What is the average speed of the object?
- An object has a mass of #8 kg#. The object's kinetic energy uniformly changes from #240 KJ# to # 64KJ# over #t in [0, 3 s]#. What is the average speed of the object?
- An object has a mass of #8 kg#. The object's kinetic energy uniformly changes from #240 KJ# to # 640KJ# over #t in [0, 3 s]#. What is the average speed of the object?
- An object has a mass of #8 kg#. The object's kinetic energy uniformly changes from #150 KJ# to # 640KJ# over #t in [0, 3 s]#. What is the average speed of the object?
- An object has a mass of #8 kg#. The object's kinetic energy uniformly changes from #144 KJ# to # 640KJ# over #t in [0, 3 s]#. What is the average speed of the object?
- An object has a mass of #4 kg#. The object's kinetic energy uniformly changes from #144 KJ# to # 640KJ# over #t in [0, 3 s]#. What is the average speed of the object?
- An object has a mass of #4 kg#. The object's kinetic energy uniformly changes from #144 KJ# to # 120KJ# over #t in [0, 3 s]#. What is the average speed of the object?
- An object has a mass of #4 kg#. The object's kinetic energy uniformly changes from #144 KJ# to # 120KJ# over #t in [0, 2 s]#. What is the average speed of the object?
- An object has a mass of #4 kg#. The object's kinetic energy uniformly changes from #144 KJ# to # 120KJ# over #t in [0, 6 s]#. What is the average speed of the object?
- An object has a mass of #4 kg#. The object's kinetic energy uniformly changes from #144 KJ# to # 124KJ# over #t in [0, 6 s]#. What is the average speed of the object?
- An object has a mass of #4 kg#. The object's kinetic energy uniformly changes from #84 KJ# to # 124KJ# over #t in [0, 6 s]#. What is the average speed of the object?
- An object has a mass of #4 kg#. The object's kinetic energy uniformly changes from #84 KJ# to # 96KJ# over #t in [0, 6 s]#. What is the average speed of the object?
- An object has a mass of #4 kg#. The object's kinetic energy uniformly changes from #0 KJ# to # 96KJ# over #t in [0, 6 s]#. What is the average speed of the object?
- An object has a mass of #4 kg#. The object's kinetic energy uniformly changes from #16 KJ# to # 96KJ# over #t in [0, 6 s]#. What is the average speed of the object?
- An object has a mass of #4 kg#. The object's kinetic energy uniformly changes from #16 KJ# to # 66KJ# over #t in [0, 6 s]#. What is the average speed of the object?
- An object has a mass of #2 kg#. The object's kinetic energy uniformly changes from #16 KJ# to # 36KJ# over #t in [0, 6 s]#. What is the average speed of the object?
- An object has a mass of #2 kg#. The object's kinetic energy uniformly changes from #160 KJ# to # 36KJ# over #t in [0, 6 s]#. What is the average speed of the object?
- An object has a mass of #2 kg#. The object's kinetic energy uniformly changes from #135 KJ# to # 36KJ# over #t in [0, 6 s]#. What is the average speed of the object?
- An object has a mass of #9 kg#. The object's kinetic energy uniformly changes from #135 KJ# to # 36KJ# over #t in [0, 6 s]#. What is the average speed of the object?
- An object has a mass of #9 kg#. The object's kinetic energy uniformly changes from #135 KJ# to # 36KJ# over #t in [0, 4 s]#. What is the average speed of the object?
- An object has a mass of #9 kg#. The object's kinetic energy uniformly changes from #135 KJ# to # 45 KJ# over #t in [0, 4 s]#. What is the average speed of the object?
- An object has a mass of #9 kg#. The object's kinetic energy uniformly changes from #99 KJ# to # 45 KJ# over #t in [0, 4 s]#. What is the average speed of the object?
- An object has a mass of #9 kg#. The object's kinetic energy uniformly changes from #54 KJ# to # 45 KJ# over #t in [0, 4 s]#. What is the average speed of the object?
- An object has a mass of #9 kg#. The object's kinetic energy uniformly changes from #54 KJ# to # 0 KJ# over #t in [0, 4 s]#. What is the average speed of the object?
- An object has a mass of #9 kg#. The object's kinetic energy uniformly changes from #81 KJ# to # 18 KJ# over #t in [0, 4 s]#. What is the average speed of the object?
- An object has a mass of #12 kg#. The object's kinetic energy uniformly changes from #81 KJ# to # 18 KJ# over #t in [0, 4 s]#. What is the average speed of the object?
- An object has a mass of #12 kg#. The object's kinetic energy uniformly changes from #81 KJ# to # 180 KJ# over #t in [0, 4 s]#. What is the average speed of the object?
- An object has a mass of #12 kg#. The object's kinetic energy uniformly changes from #96 KJ# to # 160 KJ# over #t in [0, 4 s]#. What is the average speed of the object?
- An object has a mass of #12 kg#. The object's kinetic energy uniformly changes from #96 KJ# to # 160 KJ# over #t in [0, 5 s]#. What is the average speed of the object?
- An object has a mass of #12 kg#. The object's kinetic energy uniformly changes from #64 KJ# to # 160 KJ# over #t in [0, 5 s]#. What is the average speed of the object?
- An object has a mass of #12 kg#. The object's kinetic energy uniformly changes from #64 KJ# to # 140 KJ# over #t in [0, 5 s]#. What is the average speed of the object?
- An object has a mass of #12 kg#. The object's kinetic energy uniformly changes from #64 KJ# to # 24 KJ# over #t in [0, 5 s]#. What is the average speed of the object?
- An object has a mass of #12 kg#. The object's kinetic energy uniformly changes from #254 KJ# to # 24 KJ# over #t in [0, 5 s]#. What is the average speed of the object?
- An object has a mass of #4 kg#. The object's kinetic energy uniformly changes from #254 KJ# to # 24 KJ# over #t in [0, 5 s]#. What is the average speed of the object?
- An object has a mass of #4 kg#. The object's kinetic energy uniformly changes from #254 KJ# to # 32 KJ# over #t in [0, 5 s]#. What is the average speed of the object?
- An object has a mass of #4 kg#. The object's kinetic energy uniformly changes from #128 KJ# to # 32 KJ# over #t in [0, 5 s]#. What is the average speed of the object?
- An object has a mass of #4 kg#. The object's kinetic energy uniformly changes from #128 KJ# to # 48 KJ# over #t in [0, 5 s]#. What is the average speed of the object?
- An object has a mass of #4 kg#. The object's kinetic energy uniformly changes from #128 KJ# to # 48 KJ# over #t in [0, 12 s]#. What is the average speed of the object?
- An object has a mass of #4 kg#. The object's kinetic energy uniformly changes from #128 KJ# to # 36 KJ# over #t in [0, 12 s]#. What is the average speed of the object?
- An object has a mass of #4 kg#. The object's kinetic energy uniformly changes from #12 KJ# to # 36 KJ# over #t in [0, 12 s]#. What is the average speed of the object?
- An object has a mass of #4 kg#. The object's kinetic energy uniformly changes from #12 KJ# to # 360 KJ# over #t in [0, 12 s]#. What is the average speed of the object?
- An object has a mass of #4 kg#. The object's kinetic energy uniformly changes from #48 KJ# to # 360 KJ# over #t in [0, 12 s]#. What is the average speed of the object?
- An object has a mass of #4 kg#. The object's kinetic energy uniformly changes from #48 KJ# to # 320 KJ# over #t in [0, 12 s]#. What is the average speed of the object?
- An object has a mass of #4 kg#. The object's kinetic energy uniformly changes from #42 KJ# to # 320 KJ# over #t in [0, 12 s]#. What is the average speed of the object?
- An object has a mass of #4 kg#. The object's kinetic energy uniformly changes from #96 KJ# to # 320 KJ# over #t in [0, 12 s]#. What is the average speed of the object?
- An object has a mass of #4 kg#. The object's kinetic energy uniformly changes from #96 KJ# to # 270 KJ# over #t in [0, 12 s]#. What is the average speed of the object?
- An object has a mass of #4 kg#. The object's kinetic energy uniformly changes from #96 KJ# to # 280 KJ# over #t in [0, 12 s]#. What is the average speed of the object?
- An object has a mass of #4 kg#. The object's kinetic energy uniformly changes from #64 KJ# to # 280 KJ# over #t in [0, 12 s]#. What is the average speed of the object?
- An object has a mass of #4 kg#. The object's kinetic energy uniformly changes from #64 KJ# to # 180 KJ# over #t in [0, 12 s]#. What is the average speed of the object?
- An object has a mass of #4 kg#. The object's kinetic energy uniformly changes from #64 KJ# to # 160 KJ# over #t in [0, 12 s]#. What is the average speed of the object?
- An object has a mass of #4 kg#. The object's kinetic energy uniformly changes from #640 KJ# to # 160 KJ# over #t in [0, 12 s]#. What is the average speed of the object?
- An object has a mass of #4 kg#. The object's kinetic energy uniformly changes from #640 KJ# to # 320 KJ# over #t in [0, 12 s]#. What is the average speed of the object?
- An object has a mass of #8 kg#. The object's kinetic energy uniformly changes from #640 KJ# to # 320 KJ# over #t in [0, 12 s]#. What is the average speed of the object?
- An object has a mass of #6 kg#. The object's kinetic energy uniformly changes from #640 KJ# to # 360 KJ# over #t in [0, 12 s]#. What is the average speed of the object?
- An object has a mass of #6 kg#. The object's kinetic energy uniformly changes from #630 KJ# to # 360 KJ# over #t in [0, 4 s]#. What is the average speed of the object?
- An object has a mass of #6 kg#. The object's kinetic energy uniformly changes from #540 KJ# to # 32 KJ# over #t in [0, 4 s]#. What is the average speed of the object?
- An object has a mass of #6 kg#. The object's kinetic energy uniformly changes from #540 KJ# to # 36 KJ# over #t in [0, 4 s]#. What is the average speed of the object?
- An object has a mass of #6 kg#. The object's kinetic energy uniformly changes from #120 KJ# to # 36 KJ# over #t in [0, 4 s]#. What is the average speed of the object?
- An object has a mass of #6 kg#. The object's kinetic energy uniformly changes from #120 KJ# to # 72 KJ# over #t in [0, 4 s]#. What is the average speed of the object?
- An object has a mass of #6 kg#. The object's kinetic energy uniformly changes from #120 KJ# to # 720 KJ# over #t in [0, 4 s]#. What is the average speed of the object?
- An object has a mass of #6 kg#. The object's kinetic energy uniformly changes from #120 KJ# to # 720 KJ# over #t in [0, 3 s]#. What is the average speed of the object?
- An object has a mass of #6 kg#. The object's kinetic energy uniformly changes from #128 KJ# to # 720 KJ# over #t in [0, 3 s]#. What is the average speed of the object?
- An object has a mass of #6 kg#. The object's kinetic energy uniformly changes from #72 KJ# to # 720 KJ# over #t in [0, 3 s]#. What is the average speed of the object?
- An object has a mass of #6 kg#. The object's kinetic energy uniformly changes from #72 KJ# to # 120 KJ# over #t in [0, 3 s]#. What is the average speed of the object?
- An object has a mass of #6 kg#. The object's kinetic energy uniformly changes from #96 KJ# to # 108 KJ# over #t in [0, 3 s]#. What is the average speed of the object?
- An object has a mass of #6 kg#. The object's kinetic energy uniformly changes from #96 KJ# to # 108 KJ# over #t in [0, 6 s]#. What is the average speed of the object?
- An object has a mass of #6 kg#. The object's kinetic energy uniformly changes from #96 KJ# to # 48 KJ# over #t in [0, 6 s]#. What is the average speed of the object?
- An object has a mass of #6# #kg#. The object's kinetic energy uniformly changes from #88# #kJ# to # 48# #kJ# over #t in [0, 6 s]#. What is the average speed of the object?
- An object has a mass of #6 kg#. The object's kinetic energy uniformly changes from #84 KJ# to # 48 KJ# over #t in [0, 6 s]#. What is the average speed of the object?
- An object has a mass of #6 kg#. The object's kinetic energy uniformly changes from #84 KJ# to # 12 KJ# over #t in [0, 6 s]#. What is the average speed of the object?
- An object has a mass of #6# #kg#. The object's kinetic energy uniformly changes from #42# #kJ# to # 15# #kJ# over #t in [0, 6 s]#. What is the average speed of the object?
- An object has a mass of #6 kg#. The object's kinetic energy uniformly changes from #42 KJ# to # 15 KJ# over #t in [0, 8 s]#. What is the average speed of the object?
- An object has a mass of #6 kg#. The object's kinetic energy uniformly changes from #48 KJ# to # 15 KJ# over #t in [0, 8 s]#. What is the average speed of the object?
- An object has a mass of #6 kg#. The object's kinetic energy uniformly changes from #48 KJ# to # 225 KJ# over #t in [0, 8 s]#. What is the average speed of the object?
- An object has a mass of #6 kg#. The object's kinetic energy uniformly changes from #66 KJ# to # 225 KJ# over #t in [0, 8 s]#. What is the average speed of the object?
- An object has a mass of #6 kg#. The object's kinetic energy uniformly changes from #54 KJ# to # 225 KJ# over #t in [0, 8 s]#. What is the average speed of the object?
- An object has a mass of #6 kg#. The object's kinetic energy uniformly changes from #54 KJ# to #150 KJ# over #t in [0, 8 s]#. What is the average speed of the object?
- An object has a mass of #6 kg#. The object's kinetic energy uniformly changes from #225 KJ# to #150 KJ# over #t in [0, 8 s]#. What is the average speed of the object?
- An object has a mass of #6 kg#. The object's kinetic energy uniformly changes from #450 KJ# to #129 KJ# over #t in [0, 8 s]#. What is the average speed of the object?
- An object has a mass of #6 kg#. The object's kinetic energy uniformly changes from #480 KJ# to #108 KJ# over #t in [0, 8 s]#. What is the average speed of the object?
- An object has a mass of #6 kg#. The object's kinetic energy uniformly changes from #480 KJ# to #12 KJ# over #t in [0, 8 s]#. What is the average speed of the object?
- An object has a mass of #1 kg#. The object's kinetic energy uniformly changes from #48 KJ# to #12 KJ# over #t in [0, 3 s]#. What is the average speed of the object?
- An object has a mass of #1 kg#. The object's kinetic energy uniformly changes from #48 KJ# to #36 KJ# over #t in [0, 3 s]#. What is the average speed of the object?
- An object has a mass of #1 kg#. The object's kinetic energy uniformly changes from #64 KJ# to #36 KJ# over #t in [0, 3 s]#. What is the average speed of the object?
- An object has a mass of #2 kg#. The object's kinetic energy uniformly changes from #64 KJ# to #72 KJ# over #t in [0, 3 s]#. What is the average speed of the object?
- An object has a mass of #2 kg#. The object's kinetic energy uniformly changes from #32 KJ# to #72 KJ# over #t in [0, 4 s]#. What is the average speed of the object?
- An object has a mass of #2 kg#. The object's kinetic energy uniformly changes from #32 KJ# to #80 KJ# over #t in [0, 4 s]#. What is the average speed of the object?
- An object has a mass of #2 kg#. The object's kinetic energy uniformly changes from #32 KJ# to #96 KJ# over #t in [0, 4 s]#. What is the average speed of the object?
- An object has a mass of #2 kg#. The object's kinetic energy uniformly changes from #16 KJ# to #96 KJ# over #t in [0, 4 s]#. What is the average speed of the object?
- An object has a mass of #2 kg#. The object's kinetic energy uniformly changes from #16 KJ# to #96 KJ# over #t in [0, 15 s]#. What is the average speed of the object?
- An object has a mass of #2 kg#. The object's kinetic energy uniformly changes from #35 KJ# to #18 KJ# over #t in [0, 15 s]#. What is the average speed of the object?
- An object has a mass of #2 kg#. The object's kinetic energy uniformly changes from #64 KJ# to #28 KJ# over #t in [0, 15 s]#. What is the average speed of the object?
- An object has a mass of #2 kg#. The object's kinetic energy uniformly changes from #64 KJ# to #38 KJ# over #t in [0, 15 s]#. What is the average speed of the object?
- An object has a mass of #2 kg#. The object's kinetic energy uniformly changes from #75 KJ# to #42 KJ# over #t in [0, 15 s]#. What is the average speed of the object?
- An object has a mass of #3 kg#. The object's kinetic energy uniformly changes from #75 KJ# to #42 KJ# over #t in [0, 15 s]#. What is the average speed of the object?
- An object has a mass of #3 kg#. The object's kinetic energy uniformly changes from #75 KJ# to #48 KJ# over #t in [0, 15 s]#. What is the average speed of the object?
- An object has a mass of #3 kg#. The object's kinetic energy uniformly changes from #75 KJ# to #48 KJ# over #t in [0, 9 s]#. What is the average speed of the object?
- An object has a mass of #3 kg#. The object's kinetic energy uniformly changes from #75 KJ# to #45 KJ# over #t in [0, 9 s]#. What is the average speed of the object?
- An object has a mass of #3 kg#. The object's kinetic energy uniformly changes from #75 KJ# to #135 KJ# over #t in [0, 9 s]#. What is the average speed of the object?
- An object has a mass of #5 kg#. The object's kinetic energy uniformly changes from #75 KJ# to #135 KJ# over #t in [0, 9 s]#. What is the average speed of the object?
- An object has a mass of #5 kg#. The object's kinetic energy uniformly changes from #15 KJ# to #135 KJ# over #t in [0, 9 s]#. What is the average speed of the object?
- An object has a mass of #5 kg#. The object's kinetic energy uniformly changes from #36 KJ# to #135 KJ# over #t in [0, 9 s]#. What is the average speed of the object?
- An object has a mass of #3 kg#. The object's kinetic energy uniformly changes from #36 KJ# to #135 KJ# over #t in [0, 9 s]#. What is the average speed of the object?
- An object has a mass of #3 kg#. The object's kinetic energy uniformly changes from #36 KJ# to #270 KJ# over #t in [0, 9 s]#. What is the average speed of the object?
- An object has a mass of #3 kg#. The object's kinetic energy uniformly changes from #96 KJ# to #240 KJ# over #t in [0, 9 s]#. What is the average speed of the object?
- Is #y=(2m)*cos(k*x)# dimensionally correct, where #k = 2m^-1#?
- Is #2pi*sqrt(l/g)# reducable to a dimension of time?
- Question #b1c2e
- Question #6a559
- If a car travels 200 km at an average velocity of 40 km/hr, and a second car starting 1.0 hour later arrives at the 200 km destination at the same time, what is the average speed of the second car?
- How do you calculate instantaneous speed?
- The position of an object moving along a line is given by #p(t) = t^2 - 6t +3#. What is the speed of the object at #t = 3 #?
- The position of an object moving along a line is given by #p(t) = t^2 - 2t +3#. What is the speed of the object at #t = 3 #?
- The position of an object moving along a line is given by #p(t) = t^2 - 2t +3#. What is the speed of the object at #t = 1 #?
- The position of an object moving along a line is given by #p(t) = t^2 - 2t +2#. What is the speed of the object at #t = 1 #?
- The position of an object moving along a line is given by #p(t) = t^3 - 2t +2#. What is the speed of the object at #t = 1 #?
- The position of an object moving along a line is given by #p(t) = t^3 - 2t +2#. What is the speed of the object at #t = 5 #?
- The position of an object moving along a line is given by #p(t) = 2t^3 - 2t +2#. What is the speed of the object at #t = 4 #?
- The position of an object moving along a line is given by #p(t) = 2t^3 - 2t^2 +1#. What is the speed of the object at #t = 4 #?
- The position of an object moving along a line is given by #p(t) = 2t^3 - 2t^2 +1#. What is the speed of the object at #t = 3 #?
- The position of an object moving along a line is given by #p(t) = 2t^3 - 2t^2 +2#. What is the speed of the object at #t = 6 #?
- The position of an object moving along a line is given by #p(t) = 2t^3 - 5t^2 +2#. What is the speed of the object at #t = 2 #?
- The position of an object moving along a line is given by #p(t) = sint +2 #. What is the speed of the object at #t = 2pi #?
- The position of an object moving along a line is given by #p(t) = sin(2t- pi /4) +2 #. What is the speed of the object at #t = pi/2 #?
- The position of an object moving along a line is given by #p(t) = sin(2t- pi /4) +2 #. What is the speed of the object at #t = pi/3 #?
- The position of an object moving along a line is given by #p(t) = sin(t- pi /4) +1 #. What is the speed of the object at #t = pi/3 #?
- The position of an object moving along a line is given by #p(t) = sin(t- pi /2) +3 #. What is the speed of the object at #t = pi/6 #?
- The position of an object moving along a line is given by #p(t) = sin(t- pi /4) +3 #. What is the speed of the object at #t = pi/4 #?
- The position of an object moving along a line is given by #p(t) = sin(3t- pi /4) +3 #. What is the speed of the object at #t = (3pi) /4 #?
- The position of an object moving along a line is given by #p(t) = sin(3t- pi /4) +2 #. What is the speed of the object at #t = (3pi) /4 #?
- The position of an object moving along a line is given by #p(t) = sin(2t- pi /3) +2 #. What is the speed of the object at #t = (2pi) /3 #?
- The position of an object moving along a line is given by #p(t) = sin(2t- pi /8) +2 #. What is the speed of the object at #t = (2pi) /3 #?
- The position of an object moving along a line is given by #p(t) = cos(t- pi /3) +1 #. What is the speed of the object at #t = (2pi) /3 #?
- The position of an object moving along a line is given by #p(t) = cos(t- pi /3) +1 #. What is the speed of the object at #t = (2pi) /4 #?
- The position of an object moving along a line is given by #p(t) = cos(t- pi /3) +2 #. What is the speed of the object at #t = (2pi) /4 #?
- The position of an object moving along a line is given by #p(t) = cos(t- pi /2) +2 #. What is the speed of the object at #t = (2pi) /3 #?
- The position of an object moving along a line is given by #p(t) = t-cos(( pi )/2t) #. What is the speed of the object at #t = 3 #?
- The position of an object moving along a line is given by #p(t) = t-cos(( pi )/2t) #. What is the speed of the object at #t = 2 #?
- The position of an object moving along a line is given by #p(t) = t-cos(( pi )/4t) #. What is the speed of the object at #t = 2 #?
- The position of an object moving along a line is given by #p(t) = t-cos(( pi )/4t) #. What is the speed of the object at #t = 7 #?
- The position of an object moving along a line is given by #p(t) = 2t - cos(( pi )/4t) #. What is the speed of the object at #t = 7 #?
- The position of an object moving along a line is given by #p(t) = 2t - cos(( pi )/4t) #. What is the speed of the object at #t = 3 #?
- The position of an object moving along a line is given by #p(t) = 2t - sin(( pi )/4t) #. What is the speed of the object at #t = 3 #?
- The position of an object moving along a line is given by #p(t) = 4t - sin(( pi )/4t) #. What is the speed of the object at #t = 3 #?
- The position of an object moving along a line is given by #p(t) = 4t - sin(( pi )/4t) #. What is the speed of the object at #t = 6 #?
- The position of an object moving along a line is given by #p(t) = 4t - sin(( pi )/4t) #. What is the speed of the object at #t = 1 #?
- The position of an object moving along a line is given by #p(t) = 4t - sin(( pi )/4t) #. What is the speed of the object at #t = 9 #?
- The position of an object moving along a line is given by #p(t) = 4t - sin(( pi )/3t) #. What is the speed of the object at #t = 9 #?
- The position of an object moving along a line is given by #p(t) = 4t - sin(( pi )/3t) #. What is the speed of the object at #t = 8 #?
- The position of an object moving along a line is given by #p(t) = 2t - sin(( pi )/3t) #. What is the speed of the object at #t = 8 #?
- The position of an object moving along a line is given by #p(t) = 2t - tsin(( pi )/8t) #. What is the speed of the object at #t = 3 #?
- The position of an object moving along a line is given by #p(t) = 4t - tsin(( pi )/8t) #. What is the speed of the object at #t = 3 #?
- The position of an object moving along a line is given by #p(t) = 4t - tsin(( pi )/8t) #. What is the speed of the object at #t = 5 #?
- The position of an object moving along a line is given by #p(t) = 4t - tsin(( pi )/8t) #. What is the speed of the object at #t = 7 #?
- The position of an object moving along a line is given by #p(t) = 4t - tsin(( pi )/8t) #. What is the speed of the object at #t = 2 #?
- The position of an object moving along a line is given by #p(t) = 3t - tsin(( pi )/8t) #. What is the speed of the object at #t = 2 #?
- The position of an object moving along a line is given by #p(t) = 3t - tsin(( pi )/6t) #. What is the speed of the object at #t = 2 #?
- The position of an object moving along a line is given by #p(t) = 3t - sin(( pi )/6t) #. What is the speed of the object at #t = 2 #?
- The position of an object moving along a line is given by #p(t) = 2t - sin(( pi )/6t) #. What is the speed of the object at #t = 4 #?
- The position of an object moving along a line is given by #p(t) = 2t - sin(( pi )/6t) #. What is the speed of the object at #t = 8 #?
- The position of an object moving along a line is given by #p(t) = 2t - sin(( pi )/6t) #. What is the speed of the object at #t = 16 #?
- The position of an object moving along a line is given by #p(t) = 2t - sin(( pi )/6t) #. What is the speed of the object at #t = 3 #?
- The position of an object moving along a line is given by #p(t) = 2t - cos(( pi )/6t) #. What is the speed of the object at #t = 3 #?
- The position of an object moving along a line is given by #p(t) = 2t - cos(( pi )/6t) #. What is the speed of the object at #t = 7 #?
- The position of an object moving along a line is given by #p(t) = 3t - tcos(( pi )/4t) #. What is the speed of the object at #t = 7 #?
- The position of an object moving along a line is given by #p(t) = 3t - tcos(( pi )/4t) #. What is the speed of the object at #t = 5 #?
- The position of an object moving along a line is given by #p(t) = 3t - tcos(( pi )/3t) #. What is the speed of the object at #t = 5 #?
- The position of an object moving along a line is given by #p(t) = 2t - t^2cos(( pi )/3t) #. What is the speed of the object at #t = 5 #?
- The position of an object moving along a line is given by #p(t) = 2t - cos(( pi )/3t) + 2 #. What is the speed of the object at #t = 5 #?
- The position of an object moving along a line is given by #p(t) = 7t - cos(( pi )/3t) + 2 #. What is the speed of the object at #t = 5 #?
- The position of an object moving along a line is given by #p(t) = 7t - cos(( pi )/3t) + 2 #. What is the speed of the object at #t = 8 #?
- The position of an object moving along a line is given by #p(t) = 7t - cos(( pi )/3t) + 2 #. What is the speed of the object at #t = 13 #?
- The position of an object moving along a line is given by #p(t) = 5t - cos(( pi )/3t) + 2 #. What is the speed of the object at #t = 13 #?
- The position of an object moving along a line is given by #p(t) = 3t - cos(( pi )/3t) + 2 #. What is the speed of the object at #t = 2 #?
- The position of an object moving along a line is given by #p(t) = 3t - cos(( pi )/8t) + 2 #. What is the speed of the object at #t = 7 #?
- The position of an object moving along a line is given by #p(t) = 3t - cos(( pi )/2t) + 2 #. What is the speed of the object at #t = 3 #?
- The position of an object moving along a line is given by #p(t) = 2t - 3cos(( pi )/2t) + 2 #. What is the speed of the object at #t = 3 #?
- The position of an object moving along a line is given by #p(t) = 3t - 2cos(( pi )/8t) + 2 #. What is the speed of the object at #t = 3 #?
- The position of an object moving along a line is given by #p(t) = 3t - 2sin(( pi )/8t) + 2 #. What is the speed of the object at #t = 24 #?
- The position of an object moving along a line is given by #p(t) = 3t - 2sin(( pi )/8t) + 2 #. What is the speed of the object at #t = 12 #?
- The position of an object moving along a line is given by #p(t) = 2t - 2sin(( pi )/8t) + 2 #. What is the speed of the object at #t = 12 #?
- The position of an object moving along a line is given by #p(t) = 2t - 2tsin(( pi )/4t) + 2 #. What is the speed of the object at #t = 7 #?
- The position of an object moving along a line is given by #p(t) = 2t - tsin(( pi )/4t) #. What is the speed of the object at #t = 7 #?
- The position of an object moving along a line is given by #p(t) = t - tsin(( pi )/4t) #. What is the speed of the object at #t = 7 #?
- The position of an object moving along a line is given by #p(t) = t - tsin(( pi )/4t) #. What is the speed of the object at #t = 4 #?
- The position of an object moving along a line is given by #p(t) = t - tsin(( pi )/4t) #. What is the speed of the object at #t = 5 #?
- The position of an object moving along a line is given by #p(t) = t - tsin(( pi )/4t) #. What is the speed of the object at #t = 1 #?
- The position of an object moving along a line is given by #p(t) = t - tsin(( pi )/3t) #. What is the speed of the object at #t = 1 #?
- The position of an object moving along a line is given by #p(t) = t - tsin(( pi )/3t) #. What is the speed of the object at #t = 3 #?
- The position of an object moving along a line is given by #p(t) = t - sin(( pi )/3t) #. What is the speed of the object at #t = 3 #?
- The position of an object moving along a line is given by #p(t) = t - 3sin(( pi )/3t) #. What is the speed of the object at #t = 4 #?
- Question #61227
- A ball is kicked past a player who has a reaction time before he chases after the ball. The player accelerates to catch up to the ball rolling at constant speed. What is the time and distance the player has to run for after the ball passes the player?
- Question #cec47
- Question #9de8c
- You bicycle 3.2 km east in 0.1 h, then 3.2 km at 15.0 degrees east of north in 0.21 h, and finally another 3.2km due east in 0.1 h to reach its destination. What is the average "velocity" for the entire trip?
- A boat that can move 50 km/h, wants to cross a 2 Km wide river, with current of 20 Km/h. Discuss what direction should the boat go to for the shortest distance to the bank. Discuss now what route will result in shortest time?
- Question #7e826
- Question #7ea57
- Question #a28ee
- Question #a6885
- An object travels North at #6 m/s# for #8 s# and then travels South at #2 m/s# for #5 s#. What are the object's average speed and velocity?
- An object travels North at #5 m/s# for #8 s# and then travels South at #8 m/s# for #5 s#. What are the object's average speed and velocity?
- An object travels North at #5 m/s# for #8 s# and then travels South at #8 m/s# for #4 s#. What are the object's average speed and velocity?
- An object travels North at #5 m/s# for #6 s# and then travels South at #8 m/s# for #4 s#. What are the object's average speed and velocity?
- An object travels North at #5 m/s# for #6 s# and then travels South at #2 m/s# for #4 s#. What are the object's average speed and velocity?
- An object travels North at #1 m/s# for #3 s# and then travels South at #2 m/s# for #4 s#. What are the object's average speed and velocity?
- An object travels North at #1 m/s# for #3 s# and then travels South at #2 m/s# for #7 s#. What are the object's average speed and velocity?
- An object travels North at #1 m/s# for #3 s# and then travels South at #12 m/s# for #7 s#. What are the object's average speed and velocity?
- An object travels North at #15 m/s# for #3 s# and then travels South at #12 m/s# for #7 s#. What are the object's average speed and velocity?
- An object travels North at #15# #m# #s^(-1)# for #2 s# and then travels South at #2# #m# #s^(-1)# for #7 s#. What are the object's average speed and velocity?
- An object travels North at #15 m/s# for #2 s# and then travels South at #2 m/s# for #8 s#. What are the object's average speed and velocity?
- An object travels North at #6 m/s# for #2 s# and then travels South at #2 m/s# for #8 s#. What are the object's average speed and velocity?
- An object travels North at #6 m/s# for #4 s# and then travels South at #3 m/s# for #8 s#. What are the object's average speed and velocity?
- An object travels North at #6 m/s# for #4 s# and then travels South at #3 m/s# for #5 s#. What are the object's average speed and velocity?
- An object travels North at #2 m/s# for #9 s# and then travels South at #4 m/s# for #5 s#. What are the object's average speed and velocity?
- An object travels North at #2 m/s# for #9 s# and then travels South at #4 m/s# for #1 s#. What are the object's average speed and velocity?
- An object travels North at #2 m/s# for #9 s# and then travels South at #4 m/s# for #3 s#. What are the object's average speed and velocity?
- An object travels North at #8 m/s# for #9 s# and then travels South at #4 m/s# for #3 s#. What are the object's average speed and velocity?
- An object travels North at #8# #ms^-1# for #9# #s# and then travels South at #5# #ms^-1# for #3# #s#. What are the object's average speed and velocity?
- An object travels North at #8 m/s# for #4 s# and then travels South at #5 m/s# for #3 s#. What are the object's average speed and velocity?
- An object travels North at #8 m/s# for #4 s# and then travels South at #5 m/s# for #7 s#. What are the object's average speed and velocity?
- An object travels North at #8 m/s# for #4 s# and then travels South at #6 m/s# for #7 s#. What are the object's average speed and velocity?
- An object travels North at #8 m/s# for #9 s# and then travels South at #6 m/s# for #7 s#. What are the object's average speed and velocity?
- An object travels North at #6 m/s# for #9 s# and then travels South at #6 m/s# for #7 s#. What are the object's average speed and velocity?
- An object travels North at #6 m/s# for #2 s# and then travels South at #6 m/s# for #7 s#. What are the object's average speed and velocity?
- An object travels North at #6 m/s# for #2 s# and then travels South at #1 m/s# for #7 s#. What are the object's average speed and velocity?
- An object travels North at #6 m/s# for #2 s# and then travels South at #1 m/s# for #4 s#. What are the object's average speed and velocity?
- An object travels North at #6# #ms^-1# for #2# #s# and then travels South at #3# #ms^-1# for #4# #s#. What are the object's average speed and velocity?
- An object travels North at #8 m/s# for #2 s# and then travels South at #3 m/s# for #4 s#. What are the object's average speed and velocity?
- An object travels North at #8 m/s# for #7 s# and then travels South at #3 m/s# for #4 s#. What are the object's average speed and velocity?
- An object travels North at #8 m/s# for #7 s# and then travels South at #3 m/s# for #9 s#. What are the object's average speed and velocity?
- An object travels North at #8 m/s# for #7 s# and then travels South at #4 m/s# for #3 s#. What are the object's average speed and velocity?
- An object travels North at #8 ms^-1# for #7 s# and then travels South at #7 ms^-1# for #3 s#. What are the object's average speed and velocity?
- An object travels North at #6 m/s# for #5 s# and then travels South at #7 m/s# for #3 s#. What are the object's average speed and velocity?
- An object travels North at #6 m/s# for #5 s# and then travels South at #7 m/s# for # 5 s#. What are the object's average speed and velocity?
- An object travels North at #6 m/s# for #3 s# and then travels South at #7 m/s# for # 5 s#. What are the object's average speed and velocity?
- An object travels North at #1# #ms^-1# for #3# #s# and then travels South at #7# #ms^-1# for #5# #s#. What are the object's average speed and velocity?
- An object travels North at #1 m/s# for #8 s# and then travels South at #7 m/s# for # 5 s#. What are the object's average speed and velocity?
- An object travels North at #1 m/s# for #8 s# and then travels South at #6 m/s# for # 4 s#. What are the object's average speed and velocity?
- An object travels North at #7 m/s# for #8 s# and then travels South at #6 m/s# for # 4 s#. What are the object's average speed and velocity?
- An object travels North at #7 m/s# for #3 s# and then travels South at #9 m/s# for # 4 s#. What are the object's average speed and velocity?
- An object travels North at #7 m/s# for #3 s# and then travels South at #9 m/s# for # 2 s#. What are the object's average speed and velocity?
- An object travels North at #7 m/s# for #5 s# and then travels South at #9 m/s# for # 2 s#. What are the object's average speed and velocity?
- An object travels North at #4 m/s# for #5 s# and then travels South at #9 m/s# for # 2 s#. What are the object's average speed and velocity?
- An object travels North at #4 m/s# for #9 s# and then travels South at #8 m/s# for # 2 s#. What are the object's average speed and velocity?
- An object travels North at #4 m/s# for #9 s# and then travels South at #6 m/s# for # 2 s#. What are the object's average speed and velocity?
- An object travels North at #7 m/s# for #9 s# and then travels South at #6 m/s# for # 2 s#. What are the object's average speed and velocity?
- An object travels North at #7 m/s# for #9 s# and then travels South at #6 m/s# for # 7 s#. What are the object's average speed and velocity?
- An object travels North at #7 m/s# for #4 s# and then travels South at #6 m/s# for # 7 s#. What are the object's average speed and velocity?
- An object travels North at #7 m/s# for #4 s# and then travels South at #3 m/s# for # 7 s#. What are the object's average speed and velocity?
- An object travels North at #9 m/s# for #4 s# and then travels South at #3 m/s# for # 1 s#. What are the object's average speed and velocity?
- An object travels North at #2 m/s# for #4 s# and then travels South at #3 m/s# for # 2 s#. What are the object's average speed and velocity?
- An object travels North at #2 m/s# for #8 s# and then travels South at #3 m/s# for # 2 s#. What are the object's average speed and velocity?
- An object travels North at #2 "m/s"# for #8 s# and then travels South at #5 "m/s"# for # 6 s#. What are the object's average speed and velocity?
- An object travels North at #6 m/s# for #3 s# and then travels South at #5 m/s# for # 6 s#. What are the object's average speed and velocity?
- An object travels North at #6 m/s# for #3 s# and then travels South at #5 m/s# for # 7 s#. What are the object's average speed and velocity?
- An object travels North at #8 m/s# for #3 s# and then travels South at #6 m/s# for # 7 s#. What are the object's average speed and velocity?
- An object travels North at #8 m/s# for #5 s# and then travels South at #6 m/s# for # 7 s#. What are the object's average speed and velocity?
- An object travels North at #9 m/s# for #5 s# and then travels South at #6 m/s# for # 3 s#. What are the object's average speed and velocity?
- An object travels North at #9 m/s# for #5 s# and then travels South at #7 m/s# for # 3 s#. What are the object's average speed and velocity?
- An object travels North at #9 m/s# for #2 s# and then travels South at #7 m/s# for # 3 s#. What are the object's average speed and velocity?
- An object travels North at #9 m/s# for #2 s# and then travels South at #7 m/s# for # 6 s#. What are the object's average speed and velocity?
- An object travels North at #9 m/s# for #7 s# and then travels South at #7 m/s# for # 6 s#. What are the object's average speed and velocity?
- An object travels North at #9 m/s# for #7 s# and then travels South at #4 m/s# for # 6 s#. What are the object's average speed and velocity?
- An object travels North at #3 m/s# for #7 s# and then travels South at #4 m/s# for # 6 s#. What are the object's average speed and velocity?
- An object travels North at #3 m/s# for #8 s# and then travels South at #4 m/s# for # 6 s#. What are the object's average speed and velocity?
- An object travels North at #3 m/s# for #8 s# and then travels South at #4 m/s# for # 2 s#. What are the object's average speed and velocity?
- An object travels North at #5 m/s# for #8 s# and then travels South at #4 m/s# for # 2 s#. What are the object's average speed and velocity?
- An object travels North at #5 m/s# for #8 s# and then travels South at #5 m/s# for # 2 s#. What are the object's average speed and velocity?
- An object travels North at #4 m/s# for #9 s# and then travels South at #5 m/s# for # 2 s#. What are the object's average speed and velocity?
- An object travels North at #4 m/s# for #9 s# and then travels South at #1 m/s# for # 6 s#. What are the object's average speed and velocity?
- An object travels North at #4 m/s# for #3 s# and then travels South at #1 m/s# for # 6 s#. What are the object's average speed and velocity?
- An object travels North at # 7 m/s# for #3 s# and then travels South at #1 m/s# for # 6 s#. What are the object's average speed and velocity?
- An object travels North at # 5 m/s# for #3 s# and then travels South at # 4 m/s# for # 6 s#. What are the object's average speed and velocity?
- An object travels North at # 5 m/s# for #3 s# and then travels South at # 1 m/s# for # 4 s#. What are the object's average speed and velocity?
- An object travels North at # 5 m/s# for #2 s# and then travels South at # 1 m/s# for # 4 s#. What are the object's average speed and velocity?
- An object travels North at # 5 m/s# for #2 s# and then travels South at # 1 m/s# for # 2 s#. What are the object's average speed and velocity?
- An object travels North at # 5 m/s# for #2 s# and then travels South at # 3 m/s# for # 2 s#. What are the object's average speed and velocity?
- An object travels North at # 5 m/s# for #1 s# and then travels South at # 3 m/s# for # 2 s#. What are the object's average speed and velocity?
- An object travels North at # 4 m/s# for #1 s# and then travels South at # 2 m/s# for # 4 s#. What are the object's average speed and velocity?
- An object travels North at # 4 m/s# for #7 s# and then travels South at # 2 m/s# for # 4 s#. What are the object's average speed and velocity?
- An object travels North at # 3 m/s# for #9 s# and then travels South at # 7 m/s# for # 4 s#. What are the object's average speed and velocity?
- An object travels North at # 3 m/s# for #9 s# and then travels South at # 5 m/s# for # 4 s#. What are the object's average speed and velocity?
- An object travels North at # 3 m/s# for #9 s# and then travels South at # 5 m/s# for # 2 s#. What are the object's average speed and velocity?
- An object travels North at # 8 m/s# for #9 s# and then travels South at # 5 m/s# for # 2 s#. What are the object's average speed and velocity?
- An object travels North at # 8 m/s# for #8 s# and then travels South at # 5 m/s# for # 2 s#. What are the object's average speed and velocity?
- An object travels North at # 8 m/s# for #8 s# and then travels South at # 3 m/s# for # 2 s#. What are the object's average speed and velocity?
- An object travels North at # 8 m/s# for #8 s# and then travels South at # 3 m/s# for # 7 s#. What are the object's average speed and velocity?
- An object travels North at # 6 m/s# for #8 s# and then travels South at # 3 m/s# for # 7 s#. What are the object's average speed and velocity?
- An object travels North at # 6 m/s# for #6 s# and then travels South at # 3 m/s# for # 7 s#. What are the object's average speed and velocity?
- An object travels North at # 7# #ms^-1# for #6# #s# and then travels South at # 3# # ms^-1# for # 7# # s#. What are the object's average speed and velocity?
- An object travels North at # 7 m/s# for #6 s# and then travels South at # 3 m/s# for # 8 s#. What are the object's average speed and velocity?
- An object travels North at # 7 m/s# for #6 s# and then travels South at # 3 m/s# for # 3 s#. What are the object's average speed and velocity?
- An object travels North at # 5 m/s# for #1 s# and then travels South at # 3 m/s# for # 3 s#. What are the object's average speed and velocity?
- An object travels North at # 4 m/s# for #1 s# and then travels South at # 5 m/s# for # 3 s#. What are the object's average speed and velocity?
- An object travels North at # 4 m/s# for #1 s# and then travels South at # 5 m/s# for # 7 s#. What are the object's average speed and velocity?
- An object travels North at # 12 m/s# for #1 s# and then travels South at # 5 m/s# for # 7 s#. What are the object's average speed and velocity?
- An object travels North at # 3 m/s# for #1 s# and then travels South at # 2 m/s# for # 7 s#. What are the object's average speed and velocity?
- An object travels North at # 3 m/s# for #6 s# and then travels South at # 2 m/s# for # 4 s#. What are the object's average speed and velocity?
- An object travels North at # 3# #ms^-1# for #6# #s# and then travels South at # 4 # #ms^-1# for # 4 # #s#. What are the object's average speed and velocity?
- An object travels North at # 3 m/s# for #7 s# and then travels South at # 4 m/s# for # 4 s#. What are the object's average speed and velocity?
- An object travels North at # 2 m/s# for #7 s# and then travels South at # 4 m/s# for # 4 s#. What are the object's average speed and velocity?
- An object travels North at # 2 m/s# for #1 s# and then travels South at # 4 m/s# for # 9 s#. What are the object's average speed and velocity?
- An object travels North at # 2 m/s# for #6 s# and then travels South at # 4 m/s# for # 9 s#. What are the object's average speed and velocity?
- An object travels North at # 2 m/s# for #6 s# and then travels South at # 7 m/s# for # 9 s#. What are the object's average speed and velocity?
- An object travels North at # 2 m/s# for #6 s# and then travels South at # 7 m/s# for # 4 s#. What are the object's average speed and velocity?
- An object travels North at # 8 m/s# for #6 s# and then travels South at # 7 m/s# for # 4 s#. What are the object's average speed and velocity?
- An object travels North at # 8 m/s# for #3 s# and then travels South at # 7 m/s# for # 4 s#. What are the object's average speed and velocity?
- An object travels North at # 8 m/s# for #3 s# and then travels South at # 7 m/s# for # 8 s#. What are the object's average speed and velocity?
- An object travels North at # 8 m/s# for #3 s# and then travels South at # 6 m/s# for # 8 s#. What are the object's average speed and velocity?
- An object travels North at # 4# # ms^-1# for #3# #s# and then travels South at # 6 # #ms^-1# for # 8# # s#. What are the object's average speed and velocity?
- It took a sled dog team 8.5 hours to travel 161.5 kilometers. What was the average speed of the sled dog team in kilometers per hour?
- Question #f8288
- Question #04a41
- Question #1871f
- Question #4c1d5
- Question #3fc43
- Question #02291
- Draw a graph #v(t)# for body which is moving 15 min with a velocity of 20km/h. Then this body stops for 5 min and then continue to move again for 10 min with velocity of 25 km/h. What is the average velocity of the body?
- Question #7cc94
- Question #e1c2c
- Two non collinear position vectors #veca & vecb# are inclined at an angle #(2pi)/3#,where #|veca|=3 & |vecb|=4 #. A point P moves so that #vec(OP)=(e^t+e^-t)veca +(e^t-e^-t)vecb#. The least distance of P from origin O is #sqrt2sqrt(sqrtp-q)# then p+q =?
- If#" "veca=3hati+4hatj+5hatk and vec b= 2hati+hatj-4hatk# ;How will you find out the component of #" "veca " ""perpendicular to" " " vecb#?
- Question #9a881
- Two forces #vecF_1=hati+5hatj and vecF_2=3hati-2hatj# act at points with two position vectors respectively # hati and -3hati +14hatj# How will you find out the position vector of the point at which the forces meet?
- Question #30ae8
- Question #d67f9
- Question #7be67
- Question #32e56
- Two of the tires on a tractor-trailer have 1.5 m diameters. If the tractor-trailer travels at a linear velocity of 3.0 m/s, what is the angular velocity of each tire?
- Question #967c5
- Question #f736b
- Question #26e1f
- One car travels at 10 miles an hour and another travels at 5 mph. in how many hours will they be 45 miles apart?
- A rock slide splashes into the ocean and creates a wave. This water wave has a period of 1.2 seconds, and a wavelength of 14 meters, how long will it take for this wave to travel to a shore 3.3 km away?
- Ann walked 1.5 miles south to her house in 0.5 hours. What is Ann's speed and velocity?
- A girl goes to her friend's house, which is at a distance of 12 km. She covers half of the distance at a speed of x km/hr. and the remaining distance at a speed of (x+2)km/hr. If she takes 2 hrs 30 minutes to cover the whole distance, find "x" ?
- Going against the current, a boat takes 6 hours to make a 120-mile trip. When the boat travels with the current on the return trip, it takes 5 hours. What is the rate of the boat in still water?
- What is velocity?
- Question #df20b
- If an object begins at the origin, will its displacement from the origin be the same as its position?
- Question #4b96c
- My motorcycle travels #220# #km# in #2.25# hours. How would I correctly express its velocity in the appropriate SI units, #ms^-1#?
- Question #9e37a
- What is the final velocity of a body that accelerates at #"150 m/s"^2"# for #"2 s"# from a velocity of #"75 m/s"#?
- Question #a4edb
- Question #d6159
- Question #25d4b
- Question #34559
- Question #7f631
- Question #3d192
- Question #22770
- Question #b35a4
- Question #72a0e
- Question #920cd
- A semi-truck traveling at an average speed of 70 miles per hour covers a distance of 35 miles. How long did it take?
- A bicyclist travels the rate of 8 miles in an hour. If the bicyclist continues at this rate, how many miles can the bicyclist travel in five hours?
- Question #754ff
- Question #ad42e
- How far has light traveled after 5 seconds?
- Question #aea85
- Question #8e21a
- A bullet is shot from the East Coast of the USA and reaches the West Coast of the USA in 4.5 seconds. How fast is that in kilometers per hour?
- An automobile accelerates at 4 m/#s^2# from 20 m/s to 36 m/s. How long did that acceleration take?
- Question #aad01
- Question #a7a70
- Question #b8995
- Question #85cd9
- Question #49ce5
- Question #f2088
- Question #489d0
- A car traveling 95 km/h is 210 m behind a truck traveling 75 km/h. How long will it take the car to reach the truck?
- Question #4b707
- Question #fca8b
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- Question #6e1a6
- A plane, whose speed in still air is 360 km/h flies directly from London to Rome, at a distance of 1400 km. The bearing of Rome from London is 135 degree and there is wind of 120 km/h blowing from North? Find?(see below)
- Question #a18d2
- Question #8892a
- Question #be972
- An earthquake causes a 3 kg book to fall from a shelf. If the book lands with a speed of 4 m/s, from what height did it fall?
- A car is traveling at 50 mi/h when the brakes are fully applied, producing a constant deceleration of 32 ft/s2. What is the distance covered before the car comes to a stop? (Round your answer to one decimal place.)?
- Question #fac8f
- The brakes are applied on a car traveling at 30. m/s [fwd]. The car stops in 3.0s. What is its displacement during this time?
- Question #5d46f
- A car travels 720 miles at 60 mph. How long did it take the car to travel the distance?
- Question #16dd2
- Question #189b5
- Bill is planning to drive 280 km. If he were to start his trip 1 hour later than he plans, he would need to drive 10 miles/hour faster to make the trip in the same amount of time. What is the average speed at which Bill plans to drive?
- Is initial velocity and final velocity instantaneous?
- What is initial and final velocity?
- What is terminal velocity?
- A baseball thrown from shortstop position to first base, travels 32 m horizontally, rises 3.0 m and falls 3.0 m. Find the magnitude of the initial velocity?
- Question #92775
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- Question #8f515
- A boy runs at a speed of 20 m/s.How much time will he take to cover a distance of 1 km?
- Question #5699b
- Question #ab205
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- Question #ece5b
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- Question #4cf43
- An object moves in a straight line at #30 (km)/(hr)# for 5 minutes. What will be the distance it has travelled at the end of this motion?
- You are in a speedboat on a river moving in the same direction as the current. The speedometer on the boat shows its speed is 20 km/h. However, a person on the shore measures the boat's speed as 23 km/h. How is this possible?
- Question #9106d
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- Question #32114
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- Question #bcf2d
- An object is moving with initial velocity of 20m/s. It must slow down to a stop in .33 seconds and travel 4m. Write a solution that applies a force to the object to satisfy the expected result.?
- Question #e0a62
- Question #84f65
- Question #b8d54
- Question #76c41
- A ball is projected with a horizontal velocity of #5.1# #ms^-1# at a height of #2.5 xx 10^2# #m#. How far does it travel before it hits the ground?
- Question #81be9
- A uniformly accelarating object covers a distance of #11# meters in #6.5# seconds. If it reaches a final velocity of #3.3# m/sec, what is its initial velocity?
- Question #e264b
- Question #f372c
- Solve the following problem using analytical techniques: Suppose you walk 17.5 m straight west and then 24.0 m straight north. How far r you from your starting point, & what is the compass direction of a line connecting your starting point to your final?
- Can anyone confirm the answer I have to this question?
- Question #cb30b
- Question #c5aad
- Question #05757
- From sea level, a helicopter rises to an elevation of 125.8 meters. Then it descends 125.8 meters. What is the elevation of the helicopter after it descends? Explain.
- A resting car starts accelerating with #α=5.0m/s^2# , then uniformly, and finally, decelerating at the same rate, #α#, comes to a stop. The total time of motion equals #t=25s#. The average velocity is #72# kmph. For how long does the car move uniformly?
- Question #c9885
- Find the path of least time given these conditions? Starting point = (2,6) End point = (8,-3) Velocity above the line y=2 is 1 unit/second Velocity below the line y=2 is 7 units/second
- A resting car starts accelerating with a = 5.0 m/s^2, then it goes uniformly, and finally, decelerates at the same rate (a) and comes to a stop. The total time of motion equals t = 25 s. The average velocity is v= 72 kmph. How long does it move uniformly?
- Question #bcba7
- A jogger runs in a straight line with an average velocity of 4.7 m/s for 3.3 min, and then with an average velocity of 5.8 m/s for 4.4 min. What is her average velocity?
- Question #080f7
- A 1500 kg car travels at a constant speed of 22.0 m/s around a track. Which of the following statements is true concerning this car?
- The nearest star to Earth is Proxima Centauri, 4.3 light-years away. At what constant velocity must a spacecraft travel from Earth if it is to reach the star in 3.8 years, as measured by travelers on the spacecraft?
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- Question #da09d
- The speed of light is #1.86 times 10^5 # miles per second. If the distance between the Sun and Earth is #9.3 times 10^7# miles, how long does it take sunlight to reach Earth?
- Question #69d1b
- Question #ceaab
- Starting from rest, a particle is constrained to move in a circle of radius #4 m#. The tangential acceleration is #a_t = 9 m/s^2#. How long will it take to rotate #45º#?
- Question #8622a
- A bead of mass m is welded at the periphery of the smoothly pivoted disc of mass m and radius R as shown in figure. The pivot axis is horizontal and through the centre of disc. The disc is free to rotate in vertical plane. The disc is released .......?
- Question #63017
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- Question #c8521
- HELP PLEASEEEE>??
- Question #e04a2
- Physics question help?
- Question #bed07
- Can velocity be positive with a negative displacement? Explain please :)
- Question #3cc64
- A distance is covered in #2# hours travelling at #60kmph#. What will be the time taken if the same distance is covered at #50kmph#?
- What is the change in velocity of the international space station?
- Question #5b412
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- Question #73dbc
- The velocity of a sailing boat in favor of the current in a river is 18km/hr and against the current, it is 6km/hr.In which direction the boat is to be driven in order to reach the other side of the river and what will be the velocity of the boat?
- Question #3c85e
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- Question #c997d
- A man walks d miles in t hours. At that rate, how many hours will it take him to walk m miles?
- Question #28e8a
- A tourist calculated that if he walks to the railroad station with a speed of 4 mph, he’ll miss the train by half an hour, but if he walks with a speed of 5 mph, he’ll reach the station 6 minutes before the departure of the train ?
- Question #356bf
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- Question #f312b
- Two cars left the city for a suburb, 120 km away, at the same time. The speed of one of the cars was 20 km/hour greater than the speed of the other, and that is why it arrived at the suburb 1 hour before the other car. What is the speed of both cars.?
- Question #2467a
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- A brand new Rolls-Royce rolls off the back of a truck as it is beling delivered to tis owner. Full question in details?
- Question #d23fd
- A body starts from rest and is uniformly accelerated for 30 sec.The distance covered in first 10 sec is #x_1# , for next 10 sec is #x_2# and for last 10 sec is #x_3# the then the ratio of #X_1:X_2:X_3#=?
- Question #640ff
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- Question #beffb
- Ahmad and George took a circular route of 7 km that starts and ends at the same point?
- In the arrangement shown in the figure #M_a\ "and"\ M_b# are #2\ "Kg and"\ 1\ "Kg" #respectively .Find the acceleration of center of massof both the blocks Neglect friction everywhere . ?
- Question #ed6fb
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- Question #83896
- A train is moving at a constant velocity of #"5 m/s"#. After it exists a tunnel, it starts to accelerate with an acceleration of #"9 m/s"^2# for #"5 s"#. What is the velocity of the train after #"5 s"# ?
- Question #6ca10
- Try to answer it as fast as possible?
- Question #1ad1b
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- Question #93b0e
- The velocity of a particle moving along x - axis is given as #v = x^2 - 5x + 4#(in m/s), where x denotes the x-coordinate of the particle in meters. Find the magnitude of acceleration of the particle when the velocity of particle is zero?
- A particle is moving in x - axis according to relation #x= (4t - t^2 - 4)# m then? **The question has multiple answers**.
- Question #381be
- Question #85b24
- It took David an hour to ride 20 km from his house to the nearest town. He then spent 40 minutes on the return journey. What was his average speed?
- A car accelerates from 31.0m/s to rest over a displacement of 130.0m. What is the car's acceleration, and how long did it take to stop?
- Question #3d61e
- Question #ccb93
- Question #0bab8
- Question #9add1
- The distance between the earth and the moon is about 384,000 km. calculate the time it takes for light to travel from the moon to earth?
- Question #fd377
- In the time that it takes one car to travel 93 km, a second car travels 111 km. If the average speed of the second car is 12 km/h faster than the speed of the first car, what is the speed of each car?
- Question #a6c78
- A person walked 100 meters towards north and then took a turn of 40° to his left and walked another 100 meters,what is his total displacement?
- A person observes fireworks displays from the safe distance of 0.750 meters. Assuming that the sound travels at 340 meters per second in air. What is the time between the person seeing and hearing the fireworks explosion?
- Find the average velocity of a car which travels 360 km in 6 hours, show in m/s and km/h ?
- A parachutist with a mass of 80 kg is falling at 55km/h when her parachute opens. She then falls 24 m in the next 2 s. What is the force of air resistance acting on the parachute during those 2 s?