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10 points!HELP!!!! PLEASE, URGENT (PHYSICS)
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10 points!HELP!!!! PLEASE, URGENT (PHYSICS)

10 points!HELP!!!! PLEASE, URGENT (PHYSICS)-example-1
User Nona
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90% of the input energy becomes useful. That's 180 J. The other 10% is wasted. That's 20 J.
User Simon Ferndriger
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