At a baseball game a ball of mass m = 0.15 kg moving at a speed v = 30 m/s is caught by a fan.
(a) Show that the impulse supplied to bring the ball to rest is 4.5 N • s.
(b) If the ball is stopped in 0.02 s, show that the average force of the ball on the catcher’s hand is 225 N.
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