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7 May, 18:16

In 2011 Aroldis Chapman threw a 105 mi/hr (47 m/s) pitch, the fastest recorded in the major leagues. What was the greatest momentum of the 145 gram baseball?

2.8

4.8

6.8

8.8

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Answers (1)
  1. 7 May, 18:28
    0
    6.8 Kg m/s

    Explanation:

    Linear Momentum

    The linear momentum is defined as the product of the velocity of an object by its mass

    P=mv

    It's a vectorial magnitude, but if we use its equivalent scalar equation, then v is the speed

    The measured speed of a pitch by Aroldis Chapman is v=47 m/s. The ball has a mass of m=145 gram=0.145 Kg. The maximum momentum of the ball was

    P = (0.145 Kg) (47 m/s) = 6.8 Kg m/s

    The options don't show the units of the momentum, but we assumed to be Kg m/s, so the correct option is the third one
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