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Lakhmir singh solutions
Work And Energy | Exercise
Question 38
A boy weighing 50kg climbs up a vertical height of 100m. Calculate the amount of work done by him. How much potential energy does he gain?
Height, h = 100m
Acceleration due to gravity, g = 9.8 m/s^2
Work done by the boy, W = mgh = 49kJ
Potential energy gained = work done by the boy = 49kJ
Question 38
A boy weighing 50kg climbs up a vertical height of 100m. Calculate the amount of work done by him. How much potential energy does he gain?
Height, h = 100m
Acceleration due to gravity, g = 9.8 m/s^2
Work done by the boy, W = mgh = 49kJ
Potential energy gained = work done by the boy = 49kJ
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