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Conversion of P.E to K.E

Find the pote...

Question

Find the potenial energy possessed by a body of mass $4 k g$ when it is at height of $10 m$ above the ground. (Take $g = 10 m s^{- 2}$ )
400

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Solution

The correct option is A 400
Given mass, $m = 4 k g$
Height, $h = 10 m$
Accelearation due to gravity, $g = 10 m s^{- 2}$

As we know,
Potential energy $= m g h$
$= 4 \times 10 \times 10$
$= 400 J$

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