The fastest server in women's tennis is sabine lisicki, who recorded a serve of 131 mi/h (211 km/h) in 2014. Suppose that the acceleration of the ball was constant during the contact with the racket.
Required:
a. If her racket pushed on the ball for a distance of 0.15 m, what was the acceleration of the ball during her serve?
b. What was the time interval for the racket-ball contact?
Answers: 3
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