Asked by tasha
when a tennis ball is served, it is a contact with the racket for a time that is typical 0.005 seconds. find the force needed to serve a 60.0 gram tennis ball moving with a velocity of 30.0m/s
Answers
Answered by
Damon
change in momentum = 0.060 kg * 30 m/s
time = 0.005 seconds
force = change in momentum/ time
time = 0.005 seconds
force = change in momentum/ time
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