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A person weighing 70kg runs up a flight...

A person weighing 70kg runs up a flight of 30steps in 35seconds. What is the power of the person if each step is 20cm high?

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Here, `M=70kg, t=35s`
`h=30xx20cm=6m. P=? P=(W)/(t)=(Mgh)/(t)=(70xx9*8xx6)/(35)=117*6watt`
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