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26 December, 05:34

An object with a mass of 70kilograms is supported at a height 8meters above the ground. what's the potential energy of the object with respect to the ground? (a) 560J (b) 2,058J (c) 5,488J (d) 3,430J

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  1. 26 December, 05:48
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    Gravitational Potential Energy = mgh (m=mass; g=gravitational force (9.8N/kg); h = height)

    Ug = (70kg) (9.8N/kg) (8m) = 5488J which is C.)
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