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Work, Power And Energy
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05/11/2021 11:32 am
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How much is the mass of a man if he has to do 2500 joules of work in climbing a tree 5m tall?
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05/11/2021 11:33 am
Mass of man = m
Height of tree, h = 5m
Work done, W = 2500J
Acceleration due to gravity, g = 10 m/s2
W = mgh
m = \(\frac{W}{gh}\)
m = 50 kg