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Physics, 24.11.2019 09:31 lydia1melton
Carlota does 2000 j of work on a machine. the machine does 500 j of work. what is the efficiency of the machine?
4%
25%
75%
400%
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Answers: 1
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Carlota does 2000 j of work on a machine. the machine does 500 j of work. what is the efficiency of...
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