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Work, Power And Energy
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05/11/2021 11:01 am
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A boy weighing 50 kg climbs up a vertical height of 100m. Calculate the amount of work done by him. How much potential energy does he gain?
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05/11/2021 11:03 am
Height, h = 100m
Acceleration due to gravity, g = 9.8 m/s2
Work done by the boy, W = mgh = 49kJ
Potential energy gained = work done by the boy = 49kJ