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

367.5 W

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36 W

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370 W

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397.5 W

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Solution

The correct option is A $367.5 W$
Work done $= m g h = 30 * 4 * 9.8 = 1470 J$
$p o w e r = \frac{w o r k}{t} = \frac{1470}{4} = 367.5 W$

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

The correct option is A 367.5WWork done=mgh=30∗4∗9.8=1470Jpower=workt=14704=367.5W

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

The correct option is A $367.5 W$
Work done $= m g h = 30 * 4 * 9.8 = 1470 J$
$p o w e r = \frac{w o r k}{t} = \frac{1470}{4} = 367.5 W$