Physics, 30.11.2019 05:31 taviiii3993
If the work put into a lever is 930 joules and the work accomplished is 870 joules, the efficiency of the lever is
107%
100%
94%
60%
Answers: 1
         [ans]
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If the work put into a lever is 930 joules and the work accomplished is 870 joules, the efficiency o...
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