A boy of mass 55kg runs up a flight of 40staires each measuring 0.15m calculated work done by boy
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Explanation:
mass = 55kg
g = 9.8 m/s²
weight = 539N
total distance = 40× 0.15
= 6m
Work = F × D
= 539 × 6
= 3234 J
hope it helped :)
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