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The mass of a regulation tennis ball is 57.0 g (although it can vary slightly), and tests have shown that the ball is in contact with the tennis racket for 30 ms. (This number can also vary, depending on the racket and swing.) We assume a 59.0 g ball and a 26.0 ms contact time in this problem. In the 2011 Davis Cup competition, Ivo Karlovic made one of the fastest recorded serves in history, which was clocked at 156 mi/h (70 m/s).

The mass of a regulation tennis ball is 57.0 g (although it can vary slightly), and tests have shown that the ball is in contact with the tennis racket for 30 ms. (This number can also vary, depending on the racket and swing.) We assume a 59.0 g ball and a 26.0 ms contact time in this problem. In the 2011 Davis Cup competition, Ivo Karlovic made one of the fastest recorded serves in history, which was clocked at 156 mi/h (70 m/s).

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The mass of a regulation tennis ball is 57.0 g (although it can vary slightly), and tests have shown that the ball is in contact with the tennis racket for 30 ms. (This number can also vary, depending on the racket and swing.) We assume a 59.0 g ball and a 26.0 ms contact time in this problem. In the 2011 Davis Cup competition, Ivo Karlovic made one of the fastest recorded serves in history, which was clocked at 156 mi/h (70 m/s).
Transcribed Image Text:The mass of a regulation tennis ball is 57.0 g (although it can vary slightly), and tests have shown that the ball is in contact with the tennis racket for 30 ms. (This number can also vary, depending on the racket and swing.) We assume a 59.0 g ball and a 26.0 ms contact time in this problem. In the 2011 Davis Cup competition, Ivo Karlovic made one of the fastest recorded serves in history, which was clocked at 156 mi/h (70 m/s).
What impulse did Karlovic exert on the tennis ball in his record serve? Take the + direction to be along the final direction of motion of the ball. Express your answer in kilogram-meters per second. 195| ΑΣΦ J₂= 70 kg-m/s Submit Previous Answers Request Answer X Incorrect; Try Again; One attempt remaining Part B What average force did Karlovic exert on the tennis ball in his record serve? Express your answer in newtons. 10 ΑΣΦΑ d ? F.-4.13 Submit Previous Answers Request Answer Pearson Part C If his opponent returned this serve with a speed of 59.0 m/s, what impulse did his opponent exert on the ball, assuming purely horizontal motion? Take the + direction to be in the direction the ball is traveling before it is hit by the opponent. Express your answer in kilogram-meters per second. 195| ΑΣΦΑ SMC ? kg m/s Request Answer Part D If his opponent returned this serve with a speed of 59.0 m/s, what average force did his opponent exert on the ball, assuming purely horizontal motion? Express your answer in newtons. 15| ΑΣΦ ? F. - Submit N N
Transcribed Image Text:What impulse did Karlovic exert on the tennis ball in his record serve? Take the + direction to be along the final direction of motion of the ball. Express your answer in kilogram-meters per second. 195| ΑΣΦ J₂= 70 kg-m/s Submit Previous Answers Request Answer X Incorrect; Try Again; One attempt remaining Part B What average force did Karlovic exert on the tennis ball in his record serve? Express your answer in newtons. 10 ΑΣΦΑ d ? F.-4.13 Submit Previous Answers Request Answer Pearson Part C If his opponent returned this serve with a speed of 59.0 m/s, what impulse did his opponent exert on the ball, assuming purely horizontal motion? Take the + direction to be in the direction the ball is traveling before it is hit by the opponent. Express your answer in kilogram-meters per second. 195| ΑΣΦΑ SMC ? kg m/s Request Answer Part D If his opponent returned this serve with a speed of 59.0 m/s, what average force did his opponent exert on the ball, assuming purely horizontal motion? Express your answer in newtons. 15| ΑΣΦ ? F. - Submit N N
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