Homework Help: Physics

Posted by Mark on Monday, November 19, 2012 at 2:26pm.

An 80 kg man climbs a 50 m-high hill in 20 minutes. What is the average power in watts he expends climbing the hill?

Physics - Elena, Monday, November 19, 2012 at 3:23pm
P =mgh/t,
t=20 min =1200 s

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