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A ball having a mass of 170 g strikes a wall with a speed of 5.0 m/s and rebounds with only 50% of its initial kinetic energy.
(a) What is the speed of the ball immediately after rebounding?
(b) What is the magnitude of the impulse on the wall from the ball?
(c) If the ball was in contact with the wall for 7.4 ms, what was the magnitude of the average force exerted by the wall on the ball during this time interval?
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