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27-03-2021
Physics

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The input work on a pulleysystem is75 j. The pulley system is 84% efficient, then what is the output work from the pulley

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taylorshamiraca04 taylorshamiraca04

27-03-2021

Answer:

63 J

Explanation:

Efficiency = work out / work in

0.84 = W / 75 J

W = 63 J

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