Physics
Physics, 12.02.2021 18:30, Tcutety

A machine puts out 6,000 J of work. To produce that much work the machine requires the user to put in 8,000 J of work. What is the efficiency of the machine,
written as a percentage?

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A machine puts out 6,000 J of work. To produce that much work the machine requires the user to put...

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