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A horizontal force of 60.0N is exerted on a 5.8kg discuss as it is rotated uniformly in a horizontal circle (at arm's length) of radius 1.00m. Calculate the speed of the discuss.?

Force. It can be said that 1 kg is equal to 2.21 lb, What does this statement mean? What should be the proper way of making the comparison?

The histogram shows the number of parttime and fulltime employees in each salary range for the Tickle Time Pickle Factory. How many employees earn $ 36,000 to $ 45,000 yearly?
The number of employees in the $36,000 to 45,00 salary is?

A boy holds a 40N weight at arm's length for 10 seconds. His arm s 1.5 m above the ground. What is the work done by the force of the boy on the weight while he is holding?

During an emergency stop, a #1.5*10^3#kilogram car lost a total of #3.0 * 10^5# joules of kinetic energy. What was the speed of the car at the moment the brakes were applied?

How does the velocity of radio waves compare with the velocity of visible light waves ?

A 2.6kg car is rolling down a frictionless incline that makes an angle of 23º to the horizontal. The initial speed of the car is 4.3m/s. What is the speed of the car 26m down the incline?

An object is acted upon by a force of 22 newtons to the right and a force of 13 newtons to the left. What is the magnitude and direction of the net force?

Can anyone help me with parts A and B?

A rock is dropped into an abandoned mine, and a splash is heard 4 seconds later. Assuming that sound takes a negligible time to travel up the mineshaft, what is the depth of the shaft and how fast is the rock falling when it hit the water?

How long does it take an automobile traveling in the lane of a highway at 65.0 km/h to overtake (become even with ) another car that is traveling in the right lane at 25.0 km/h when the car from bumpers are initially 80 m apart ?

How much work is done by the force lifting a 0.1 kg hamburger vertically upward at a constant velocity of 0.3 m from a table?
I thought that if it's at constant velocity, there is no work done. However all the answer choices are nonzero. Please help!

Why do you lean towards the left when your car turns right?

I am confused. Can someone please help me with this as quickly as possible?

Why is the efficiency 75% instead of 50% in the question below?

Why don't inelastic collisions conserve energy?

What makes a satellite move in an orbit that is circular?

Carl has a piece of toast that has jelly on one side, and he dropped it twice. Both times, it landed with the jelly side up. If he drops it two more times, what is the probability that it will have landed jelly side up a total of three times?

Imagine a circuit with a 47volt battery attached to four resistors, all in parallel: a 13ohm resistor, a 3ohm resistor, a 15ohm resistor, and a 4ohm resistor. What is the total resistance of this circuit?

If a light burns out in a parallel circuit, what happens to other lights that may be connected and why?

A pile driver weighing 1500 pounds drops with the speed of 20 ft/sec. What is the kinetic energy of the pile driver when it hits a steel beam that it is driving into the ground?

A boat mass M and I fill it up with fuel mass m. When it moves with velocity υ the resistive force is F=kυ^2. 1kg of fuel gives λ Joules of energy*. How much fuel (kg) is needed to sail d meters?
*Suppose no energy is lost.

Why can work output be less than work Input but never be more?

How could you decrease the thermal energy of a can of soup you just took out of your pantry?

A trunk is dragged 3.0 meters across an attic floor by a force of 2.0 N. How much positive work is done on the trunk?

Find the resultant vector?
1/6 of 240 m/s directed east
?= 1/4 of 240 m/s 1/5 of 250 degrees south of west

How does inertia affect the motion of an object?

How do I answer this ?

A 700 man stands in a scale on the floor of an elevetor.the scale records the force it exerts in whatever is on it.what is the scale reading if the elevetor has an acceleration of (a) 1.8m/s up? (b)1.8m/s down?

What is a force?

What kind of wave interaction occurs when ripples in a bathtub hit the wall of the tub?

What is the moment of inertia of a pendulum with a mass of #4 kg# that is #3 m# from the pivot?

How do you simplify #4*sqrt20  *sqrt45 + 7*sqrt5#?

Which has the lowest magnitude ?

How can I calculate the angular momentum of the Earth?

A 5m length of conducting wire has overall resistance 2#Omega# with current flowing through it. It dissipates 8W of power along its length. Wire contains #8*10^22# free electrons. Calculate the average drift velocity of the electrons?

Radio signals travel at a rate of #3*10^8# meters per second. How many seconds would it take signal to travel from a satellite to the surface of Earth if the satellite is orbiting at a height of #4.2 * 10^7# meters?

Which angle should I use for the relative velocity of bus to car ?

Which of the following are scalar quantities, which are victor authorities, and which are neither?

How to find magnitude of the force?

How do you find the horizontal Velocity?

Marcus and Kiwi are going for a ride in their new wagon! Then they will roll down a frictionless hill, dropping a total height of 2.0 meters. How far into the leaf pile will the kitties and wagon travel before coming to a stop?

Can someone explain this?

What is value for the acceleration of gravity?

Distance question?

A 2500 kg car traveling at 30 m/s hits a utility pole and comes to rest in 0.26 seconds. what force is experienced by the car?

How to find the maximum velocity of two objects that travel from a point #A# to a stopping point #B# in the same amount of time?

A car is moving at 60km/hr when it begins to slow down with a deceleration of 1.50m/s^2.how long does it take to travel 70m as it slows down?

A system has a total mechanical energy of 350 J and kinetic energy of 220 J. What is its potential energy?

The 1500 Ω resistor on electronic circuit board has correct power rating of 0.25 W.State disadvantage of using different 1500 Ω resistor with power rating that is (1)much less than 0.25 W? (2)much greater than 0.25 W?

Displacement from origin?

How do i find the units in a math problem?

What is relative speed?

Physics motion question!?

At time t, the position of a body moving along the saxis is m. Find the body's acceleration each time the velocity is zero?

How do you graph the line #y = 3/5 x  2#?

A boat can travel from its dock to a town downriver with a 7 mph current in 10 hours. The return trip against the same takes 15 hours. What is the speed of the boat in still water?

What force can be felt when you put your hand out the window of a moving car?

The velocity of an object with a mass of #3 kg# is given by #v(t)= sin 2 t + cos 4 t #. What is the impulse applied to the object at #t= pi /4 #?

Wich of the following is a vector?
A. 20 N west
B. 42`C
C. 3:15 pm
D. 5 km down
E. 20 m/s west
F. 30 m/s to the right

Does amplitude of a spring mass system change when mass is added?

A block of mass 5 kg is at rest on a ramp which is at 25◦. The coefficient of static friction between the block and the slope is 0.4. What is the minimum magnitude of the horizontal force, F, that is required to make the block move? Assume #g=10ms^2#

An athlete whose weight is 800N runs a race with acceleration of 5 metres per second square. What is the force that the athlete ran with?

How can an impulse exerted on something be increased?

What is the combined resistance of a 6 ohm resistor which is connected in series with a parallel arrangement of two resistors, each resistance of 2 ohm? Thanks

If P+Q=R and if Q is doubled and R is doubled then find Q?
Note. P ,Q And R are vectors each

What is the final velocity of the lighter object? (See below)

How fast will an object with a mass of #15 kg# accelerate if a force of # 75 N# is constantly applied to it?

Why does the Doppler effect occur?

When is the net torque about a point 0?

What is the purpose of a resistor?

A full tub of water weighed #2 2/7# pounds. If the tub were filled up only #1/4# full, how much would it weigh?

How do I get the angle tita ? The answer is 22 degree for the angle. The ratio of T/T(zero) is 1.01. Is it from the graph? But how?

A 337kg crate needs to be lifted to a height of 2.3m using a ramp that is 7.6m long. If a force of 1408N is used to push the crate up the ramp, what is the work done on the crate?

Angular speed of hour hand of a clock in degree per second ?

A coffee maker heats 2 kg of water from 15 Celsius to 100 Celsius. how much thermal energy was required?

As more lamps are put into a parallel circuit, the overall current in the circuit?

An object of unknown mass M is moving at 5m/s when it collides with a spring that brings it to a stop in 3 seconds. As it does so the force of the spring as a function of tie is recorded in the graph below. What is the mass?

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?

How does angular momentum differ from linear momentum?

In class we are learning about work; why does the force and motion have to go in the same direction?

What quantity describes the ability of a force to rotate an object? How does it differ from a force? On what quantities does it depend?

Why is the voltage across a bulb the same as the battery in a series circuit?

An airplane covers a certain distance at a speed of 320km/h in 7.5 hours. calculate the distance travelled by the plane in m/s?

Thomas swimming in around pool that has a radius of 10 feet if you swimming five laps around the outside of the pool how far has he gone ?

There are 300 students in English 101 and 660 students in English 102 what is the ratio in simplest form of the students in English 101 ?

What is the gravitational potential energy of a # 9 kg# object on a shelf # 3/5 m # high?

AP Test: Waves: Why is this answer correct?

An object is charged when it has a charge imbalance which means the?

Could you please answer Q.5 ?

9. a fish rests on the bottom of a bucket of water while the bucket is being
weighed when the fish begins to swim around in the bucket , how does
the reading on the scale change?

Rectilinear motion
1.A car travels at 40km/hr for 2hrs, at 50km/hr for the next 3 hrs and finally at 30km/hr for 1hr. Find;
a. The total distance traveled by the car in km
b. The average speed of the car in km/hr and m/s?

Electricity problem..... please can you solve this...?

When I create an wave on a string by striking or, plucking, how an another wave of same time period, frequency but of different sign create itself which results to the formation of the stationary wave?

How much acceleration can a human withstand?

A car coasts up a hill. As it climbs, it slows down. Which type of energy is the car losing as it goes up?

Two waves are having a constant phase difference does it means the two waves can be out of phase 180 with respect to one another ?

How do you solve #5= 3+2x#?

A driver is driving around a circular track at a speed of 45 m/h. How is the driver's velocity compared to his acceleration?

How does frictional force affect the velocity of an object?

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