What is the average contact force
Question: The speed of 3oz tennis ball is changed from 60 ft/s in one direction to 80ft/s in the opposite one as a racket hits it.Calculate the impulse.if the contact time is 0.005 sec, what is the average contact force?
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The speed of 3oz tennis ball is changed from 60 ft/s in one direction to 80ft/s in the opposite one as a racket hits it. Calculate the impulse. If the contact time is 0.005 sec, what is the average contact force?
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