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15 January, 21:14

What is the mass of an object that creates 33,750 joules of energy by traveling at 30 m/sec?

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  1. 16 January, 01:04
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    The Energy is Kinetic Energy.

    Kinetic Energy = 1/2*mv², Where m is mass in kg, v is velocity in m/s

    Energy is 33750 Juoles, v = 30m/s

    1/2*mv² = E

    1/2*m*30² = 33750

    m = (2*33750) / (30²) Using a calculator

    m = 75 kg

    Mass of object is 75 kg.
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