Question

# If a man of $$30$$ kilograms climbs stairs in $$4$$ seconds when height of stairs is $$5$$ meters, power output produced will be:

A
367.5W
B
36W
C
370W
D
397.5W

Solution

## The correct option is A $$367.5 W$$Work done$$=mgh=30*4*9.8=1470J$$$$power=\dfrac{work}{t}=\dfrac{1470}{4}=367.5W$$Physics

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