A body possess potential energy of $460 J$ whose mass is $20 k g$ and is raised to a certain height. What is the height when $g = 10 m / s^{2}$

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Solution

Given:-
$P . E = 460 J$
$m = 20 k g$
$g = 10 m / s^{2}$
$h = ?$
Potential energy $P . E . = m g h$
$460 = 20 \times 10 \times h$

$h = \frac{460}{20 \times 10}$

$h = 2.3 m$
The height at which the object is raised from the ground is 2.3 m.

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