Physics, 19.09.2019 02:00, GgRed

Calculate the efficiency for each machine, then answer the question. machine a has an input work of 1,000 j and an output work of 250 j. machine b has an input work of 500 j and an output work of 350 j. machine c has an input work of 200 j and an output work of 150 j. which machine is the most efficient?

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Calculate the efficiency for each machine, then answer the question. machine a has an input work of...