SOLVED: The mass of a regulation tennis ball is 57 g (although it can vary slightly), and tests have shown that the ball is in contact with the tennis racket for 30
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Solved The mass of a regulation tennis ball is 57 g | Chegg.com
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SOLVED:The mass of a regulation tennis ball is 57 g (although it can vary slighaly), and tests have shown that the ball is in conthet with the tennis racket for 30 ms. (