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27-10-2020
Physics

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A 40kg box sits on a shelf 0.5m above the floor. An employee moves the box to a height of 1.8m above the floor. How much work did the employee do in moving the box? A)20J B)72J C)200J D)520J E)720J

Respuesta :

27-10-2020

Answer:

b)72

Explanation

work done= force* distance

work done=40*1.8

72J

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