How much is the mass of a man if he has to do $2500\ joules$ of work in climbing a tree $5\ m$ tall? $(g=10 m/s^2)$


Here given, work done by man to climb $m=2500\ Joule$

Height of the tree $h=5\ m$

Gravitational acceleration $g=10\ m/s^2$

Let $m$ be the mass of the man.

On placing these values in the equation $W=mgh$

$2500\ J=m\times 10\ m/s^2\times 5\ m$

Or $m=\frac{2500}{50}$

Or $m=50\ kg$

Thus, mass of the man is $50\ kg$.

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Updated on: 10-Oct-2022

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