physics

A 0.5 kg soccer ball is kicked with a force of 50 Newtons for 0.2 sec. The ball was at rest before the kick. What is the speed of the soccer ball after the kick?

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asked by karen
  1. impulse=momentumchange
    50*.2=.5*V solve for V

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  2. Force * time = change of momentum
    (called "impulse" by the in crowd)

    50 * .2 = .5 ( v - 0)

    v = 20 m/s

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    posted by Damon

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