physics

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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

  • physics -

    change in momentum = 0.060 kg * 30 m/s

    time = 0.005 seconds

    force = change in momentum/ time

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