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A 1.5 kg box slides down a frictionless incline of angle . It starts from rest at t=0 at the top of the incline at a height of 22 m above the ground.
1. What is the potential energy of the box relative to the ground at t=0?
2. What is the kinetic energy when it reaches the bottom of the incline?
3. What is the speed of the box then?
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A tennis player receives a shot with the ball (0.060 0 kg) traveling horizontally at 52.5 m/s and returns the shot with the ball traveling horizontally at 38.5 m/s in the opposite direction
A coin rests 14.0 cm from the center of a turntable. The coefficient of static friction between the coin and turntable surface is 0.440. what is the angular velocity of the turntable
A 106 kg object moves in a horizontal straight line with an initial speed of 58 m/s. If it is stopped along that line with a deceleration of 2.00 m/s2 what magnitude of force is required
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