Asked by mukuba
who develops more power,an 80kg man who walks up a height of 20 steps each 17.5cm high in 7second or one who pushes an 80kg box up a frictionless slope to a height of 5m in 10seconds? Give a reason for your answer
Answers
Answered by
bobpursley
powerman=mgh/time=80g*20*.175/7
powerbox=80*g*5/10
which is greater?
powerbox=80*g*5/10
which is greater?
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