Physics, 23.08.2019 08:50 jamayeah02

Amachine has an efficiency of 70%. how much work does the machine do when 20,000 j of work is done on it?
14,000 j
28,600 j
1,400,000 j
2,860,000 j

Answers: 2

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Amachine has an efficiency of 70%. how much work does the machine do when 20,000 j of work is done o...