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Physics, 15.02.2021 19:10 qdogisbeast6132

A motor has an efficiency of 0.2. How much useful energy is produced from 150 j? A. 20
B. 750
C.0.2
D. 0.75

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A motor has an efficiency of 0.2. How much useful energy is produced from 150 j? A. 20
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