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March 28, 2017

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a pitcher baseball moves at 44 M/s . It has 150 J of kinetic energy on its way to the catcher. What is the baseball 's mass?

  • chemistry - ,

    KE = 1/2 mv^2
    150 = 1/2 m (44^2) = 968m
    m = .155kg = 155g

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