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July 2, 2015

Homework Help: Physics

Posted by henry on Tuesday, November 8, 2011 at 9:20am.

If a man has an average useful power output of 31 W, what is the minimum time, in s, it would take him to lift fifty 12.3 kg boxes a height of 2.3 m.


i'm thinking i should find the work done then find power with p = work/time

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