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  4. Weight of a person is 800 N . If he runs 4 m on a vertical ladder in 2 s then he needs a power of

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Q. Weight of a person is $800 \, N$ . If he runs $4 \, m$ on a vertical ladder in $2 \, s$ then he needs a power of

NTA AbhyasNTA Abhyas 2020Work, Energy and Power

Solution:

Power is given by
$P=\frac{m g h}{t}=\frac{\left(800 \times 4\right)}{2}=1600 \, W$