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Potential Energy

Question

How much height must an object of mass $5 k g$ be lifted to have potential energy $5000 J$ ? $[g = 10 m / s^{2}]$
$100 m$
$50 m$
$120 m$
$110 m$

A

110 m

B

100 m

C

120 m

D

50 m

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Solution

Verified by Toppr

Gravitation potential energy is given by $P . E = m g h$
Given:
Mass $m = 5 k g$
$g = 10 m / s^{2}$
$5000 = 5 \times 10 \times h$
$⟹ h = 100 m$

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