A man weight is 30kg. if he climbs of a leather of height of 6m carrying a load is 20 kg , what is the work done by HZ
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A man weighing 60 kg climbs up a staircase carrying a load of 20 kg on his head.The staircase has 20 steps each of ht 0.2 m. If he takes 10 s to climb. Find his power.
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