A volleyball with a mass of 0.272 kg approaches a player horizontally with a speed of 17.0 m/s. The player strikes the ball with her hand, which causes the ball to move in the opposite direction with a speed of 21.3 m/s.   (a) What magnitude of impulse (in kg · m/s) is delivered to the ball by the player?   If the player's hand is in contact with the ball for 0.0600 s, what is the magnitude of the average force (in N) exerted on the player's hand by the ball?  N

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