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A man weighing 60 kg climbs a staircase ...

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 :

A

160 W

B

230 W

C

320 W

D

80 W

Text Solution

Verified by Experts

The correct Answer is:
A
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