A man weighing 60 kg climbs a staircase carrying a 20 kg load on his hand. The staircase has 20 steps and each step has a height of 20 cm. If he takes 20 second to climb his power is
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A man weighing 60 kg climbs a staircase carrying a 20 kg load on his hand. The staircase has 20 steps and each step has a height of 20 cm. If he takes 20 second to climb his power is
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Answer:
160w
Explanation:
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Answer:
Total work done by man in covering 20 steps =mgh=80×10×0.2×20=3200J
So, Power(P) = Time takenWork done=103200=320Watt
Explanation:
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