A boy of mass 40 kg climbs vertically upwards on a coconut tree to a height of 10 cm calculate (a)work done by the boy (b)potential energy gained
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Answer:
mass = 40 kg
height = 10 m
acceleration due to gravity = 10
1) work done by the boy = mgh
= 40× 10 × 10
=4000 J
2) potential energy gained = work done by the boy
= 4000 J
Explanation:
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