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A physicist does 100 joules of work on a simple machine that raises a box of books through a height of 0.6 meters. If the efficiency of the machine is 20%, how much work is converted to thermal energy by this process?

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Related Test: Physics 101 Practice Test 1


A physicist does 100 joules of work on a simple machine that raises a box of books through a height of 0.6 meters. If the efficiency of the machine is 20%, how much work is converted to thermal energy by this process?






 
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