Man whose mass is 50 kg runs up a hill raising himself vertically 10 m in 20 seconds of time.Calculate the power used in climbing those stairs.(g=10m /s2)
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W = m*g*h = 50*9.8*10 = 4900 Joules. W = 4900 J. Power , P = W/T = 4900/20 = 245 watts
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this is the answer i gave to someone else just few moments ago
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