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Physics, 15.12.2021 01:40 cedricevans41p4j3kx

Hannah puts 25,000 joules of work into the machine. The machine, in turn, puts out 21,000 joules of work. What is the efficiency of the machine?

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Hannah puts 25,000 joules of work into the machine. The machine, in turn, puts out 21,000 joules of...

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