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A man weighing 60 kg climbs up a staircase with 20 kg weight on his...

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A man weighing 60 kg climbs up a staircase with 20 kg weight on his head The staircase has 20 steps each being 15 cm high If he takes 10 s to climb then the power is g 10 m s A 24 W B 180 W C 240 W D 320 W

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