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A tennis player receives a shot with the ball (0.0600 kg) traveling horizontally at60.0m/s and returns the shot with the ball traveling horizontally at34.0m/s in the opposite direction. (Assume the initial direction of the ball is in the -xdirection.)
(a) What is the impulse delivered to the ball by the racquet?(b) What work does the racquet do on the ball?
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A block of mass 2.0 kg is pushed against a vertical wall by a horizontal push (P) of 50.0 N. The block does NOT move. Assuming that the coefficient of the static friction, k, is equal to 0.60. Find the force AND the direction of the friction.
A parachutist with a camera descends in free fall at a speed of 11 m/s. The parachutist releases the camera at an altitude of 100 m. How long does it take the camera to reach the ground
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