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Physics, 06.11.2020 06:20 Izzyfizzy

a student does 100 j of work on the handle of a bicycle pump. the pump does 40 j of work pushing the air into the tire. what is the efficiency of the pump? show your work.

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a student does 100 j of work on the handle of a bicycle pump. the pump does 40 j of work pushing the...

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