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2 July, 09:31

An inexperienced catcher catches a 126 km/h fastball of mass 160 g within 1.36 ms, whereas an experienced catcher slightly retracts his hand during the catch, extending the stopping time to 13.6 ms. What is the average force imparted to the two gloved hands during the catches of the inexperienced catcher

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  1. 2 July, 11:26
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    4117.65 N

    Explanation:

    Speed of ball, u = 126 km/h = 35 m/s

    Mass of ball, m = 160 g = 0.16 kg

    Time interval, t = 1.36 ms = 0.00136 s

    We can calculate the force as a measure of the momentum of the ball:

    F = P/t

    Momentum, P, is given as:

    P = mv

    Therefore:

    F = (mv) / t

    F = (0.16 * 35) / (0.00136)

    F = 4117.65 N

    The force imparted to the two glove d hands of the inexperienced catcher is 4117.65 N.
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