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physics

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A baseball pitcher can throw a baseball at a speed of 42 m/s. If the mass of the ball is 0.12 kg and the pitcher has it in his hand over a distance of 1.9 m, what is the average force exerted by the pitcher on the ball?

  • physics -

    i already got the answer.

  • physics -

    W = F d = (1/2) m v^2
    F (1.9) = (1/2) (.12)(42^2)

  • physics -

    f=.5x.12x42^2/1.9

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