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Work done = Force × Displacement
W1 = mg × h
= 50×10h = 500h J
W2 = mg ×h
= 50×10h = 500h J
Therefore, work done by both men are the same...
Power = Work/Time
P1 = 500h/20 = 25h Watts
P2 = 500h/15 = 33.33h Watts
Therefore, power of man B is greater than power of man A
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Answer:
work done by both will be equal as both has same mass and climb the same height
power will be different A to B will be 3 ratio 4
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