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4. What is the efficiency of a pulley that does 571 J of work if the input work is 1,694 J?
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4. What is the efficiency of a pulley that does 571 J of work if the input work is 1,694 J?

User Epascarello
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1 Answer

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Step-by-step explanation:

Efficiency = work out / work in

e = 571 J / 1694 J

e = 0.337

User Urmil Jindal
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