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15 April, 01:45

An object has 90,000 J of kinetic energy and is moving at 12 m/s. What is the objects mass?

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  1. 15 April, 04:54
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    plug it into your calculator

    Explanation:

    Kinetic energy = KE = Joules = J

    KE = 1/2mv^2

    90,000 = 1/2 m (12^2)

    180,000 = m (144)

    m = 180,000 / 144
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