Physics, 28.09.2021 20:20, Tcareyoliver
A jack requires 808 J of work to be done in raising a load, and ideally would do this amount of useful work. However, internal friction reduces the jack’s efficiency to 0.625. How much useful work is done by the jack?
Answers: 1
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A jack requires 808 J of work to be done in raising a load, and ideally would do this amount of usef...
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