In bouncing off a racket a 50 g tennis ball had its
In bouncing off a racket, a 50 g tennis ball had its velocity changed from 15 m/s in the forward direction to 20 m/s in the reverse direction. If the average force involved was 75 N, how long was the ball in contact with the racket?
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In bouncing off a racket, a 50 g tennis ball had its velocity changed from 15 m/s in the forward direction to 20 m/s, how long was the ball in contact with the racket
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