Find the power of a boy claimbing in a staircase — task. Science CBSE, Class 9.

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A boy of mass 58

$kg$ runs up a staircase of 60 steps in 12

$s$ . If the height of each step is 11

$cm$ , find his power. Take

$g$

$=$

$10$

$m s^{- 2}$ .

Answer:

$W$ .

$1$

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