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31 January, 20:12

An 85 kg construction worker has 37,485 J of gravitational potential energy. To the nearest whole number, the worker is m above the ground.

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  1. 31 January, 23:33
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    The potential energy is the mass multiplied by the height multiplied by the earth accelerations

    Ep = mgh

    in your case

    37485[J] = 85[kg] * 9.8[m/s^2] * x[m]

    the worker is above

    x[m] = 45m
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