A 58.0 g incoming tennis ball has a speed of 30 m/s when it is hit by a racket in the

A 58.0 g incoming tennis ball has a speed of 30 m/s when it is hit by a

racket in the opposite direction and leaves the racket at 40 m/s. What
is the average force exerted by the racket on the ball if contact lasted
for 5.2 ms?


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