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Physics, 08.01.2020 13:31 wallsdeandre6927

Amachine has an efficiency of 80%. how much work must be done on the machine so to make it do 50,000 j of output work? 12,500 j 40,000 j 62,500 j 90,000 j

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Amachine has an efficiency of 80%. how much work must be done on the machine so to make it do 50,000...
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