The mass of a regulation tennis ball is 57.0 g(although it can vary slightly), and tests have shownthat the ball is in contact with the tennis racket for30 ms. (This number can also vary, depending onthe racket and swing.) We assume a 59.0 g balland a 26.0 ms contact time in this problem. In the2011 Davis Cup competition, Ivo Karlovic made oneof the fastest recorded serves in history, which wasclocked 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 directionof motion of the ball.Express your answer in kilogram-meters per second.195| ΑΣΦJ₂= 70kg-m/sSubmit Previous Answers Request AnswerX Incorrect; Try Again; One attempt remainingPart BWhat average force did Karlovic exert on the tennis ball in his record serve?Express your answer in newtons.10 ΑΣΦΑd?F.-4.13SubmitPrevious Answers Request AnswerPearsonPart CIf his opponent returned this serve with a speed of 59.0 m/s, what impulse did his opponent exert on the ball, assumingpurely 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| ΑΣΦΑSMC?kg m/sRequest AnswerPart DIf 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. -SubmitNN

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