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A 0.140 kg baseball traveling 39.0 m/s strikes the catchers mitt, which, in bringing the ball to rest, recoils backward 13 cm. What is the average force applied by the ball on the glove?

  • Physics -

    Physics - drwls, Monday, June 11, 2012 at 1:24pm
    Use this formula:
    Force x distance = work done against mitt = Kinetic Energy change

    Which leads to:
    Force = (1/2)M V^2/d

    If you want to start from F = m*a, you have to use an equation for the acceleration, a
    a = V/t = v/[d/(v/2)] = v^2/(2d)
    F = m*V^2/(2d)

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