Questions asked by stephlovw

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• A driver of a car traveling at 15.9 m/s applies the brakes, causing a uniform deceleration of 2.5 m/s2 How long does it take the car to accelerate to a final speed of 10.2 m/s? Answer in units of s
  
• A car traveling initially at 5.12 m/s accelerates at the rate of 0.933 m/s 2 for 5.7 s. What is its velocity at the end of the acceleration? Answer in units of m/s.
  
• A rocket initially at rest accelerates at a rate of 100 m/s 2 for 0.31 min. What is its speed at the end of this time?
  
• A particle accelerates from rest at 7.5 m/s 2 . What is its speed 6.4 s after the particle starts moving? Answer in units of m/s.
  
• A plane cruising at 263 m/s accelerates at 24 m/s 2 for 7.1 s. What is its final velocity? Answer in units of m/s. How far will it have traveled in that time? Answer in units of m.
  
• A car traveling with a velocity of 24 m/s is accelerated uniformly at 1.6 m/s 2 for 6.8 s. What is its final velocity? Answer in units of m/s
  
• A driver of a car traveling at 14.8 m/s applies the brakes, causing a uniform deceleration of 1.9 m/s2 . How long does it take the car to accelerate to a final speed of 10.0 m/s? Answer in units of s.
  
• A car traveling initially at 5.37 m/s accelerates at the rate of 0.639 m/s 2 for 5.94 s. What is its velocity at the end of the acceleration? Answer in units of m/s.
  
• When a rifle fires at a distant target, where should the barrel be pointing? 1. directly at the target 2. to the left of the target 3. diagonally from the target 4. below the target 5. to the right of the target 6. above the target
  
• How does the vertical component of a projectile’s motion compare with the motion of vertical free fall when air resistance is negligible? 1. It cannot be determined. 2. Less than that of free fall 3. Greater than that of free fall 4. Identical to that of
  
• If the ball has lost half the magnitude of its impact momentum immediately after it recoils, to what height does the ball reach after its first rebound? 1. h 2. h 3 3. 0 4. h 2 5. h 4
  
• What is the impact speed when a car moving at 200 km/h bumps into the rear of another car traveling in the same direction at 89 km/h? Answer in units of km/h.
  
• A four-engine jet accelerates down the runway at 5 m/s 2 . If one of the jet engines fails, how much acceleration will the other three produce? Answer in units of m/s 2 .
  
• A car travels in a straight line for 2.8 h at a constant speed of 65 km/h . What is its acceleration? Answer in units of m/s 2 .
  
• A 28-foot ladder is placed against a building. The bottom of the ladder is 3 feet from the building. If the top of the ladder slips down 4 feet, how far will the bottom of the ladder be from the bottom of the building? Round to the hundredths
  
• i need to find the x of the radical form if the picture show the square root of the number to find x?
  
• The lengths of two sides of a right triangle are 24 meters and 25 meters. Determine the two possible measures for the third side? Possible side length , possible side length Write answer in form numbersqrt(number) or sqrt(number) or number
  
• A breaking force of 10 N applied for 5 seconds is applied to stop a 2.5 kg cart traveling at 20 m/s. What is the impulse exerted on the cart?
  
• If a 4.37-kg object experiences a 6.47-N force for a duration of 8.47-second, then what is the momentum change of the object?
  
• 1 pts Anna Litical and Noah Formula are doing The Cart and the Brick Lab. They drop a brick on a 17.9 kg cart moving at 12.19 m/s. After the collision, the dropped brick and cart are moving together with a velocity of 5.71 m/s?
  
• A hockey player applies an average force of 1.67 N to a 0.89 kg hockey puck for a time of 2.23 seconds. Determine the impulse experienced by the hockey puck?
  
• A weight lifter lifts an 800 N bar a distance of 3 m is just 3.5 seconds. What is the power output of the lifter in watts?
  
• A ladybug takes of with a force of 0.012 N for a distance of 6 cm. What is the work done by the ladybug during take-off?