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11-05-2016
Physics

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An object with a mass of 78 kilograms is lifted through a height of 6 meters. How much work is done? A. 47.75 J B. 4,586.4 J C. 468 J D. 764.4 J

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Helpmexc Helpmexc

11-05-2016

Substituting values, Work done = (78 (9.8) (6) work done = 4586.4 J so the answer is B

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