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A man weighing 60 kg climbs a staircase carrying a 20 kg load on his hand

A man weighing 60 kg climbs a staircase carrying a 20 kg load on his hand.The staircase has 20 steps and each steps has height of 20 cm.If he takes 20s to climb, his power is

Options

(a) 160 W
(b) 230 W
(c) 320 W
(d) 80 W

Correct Answer:

160 W

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

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