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Physics, 09.02.2021 22:40 irene003

A tennis player practices against a backboard, hitting the ball to the board with a speed of 22 m/s. The mass of the ball is 55 g. What is the average force the wall exerts on the ball if the ball is in contact with the board for 0.0125 s?

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A tennis player practices against a backboard, hitting the ball to the board with a speed of 22 m/s....
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