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Energy

A stone of ma...

Question

A stone of mass 8 kg has been lifted to a height of 2 m from the ground. Calculate the rise in its potential energy.

A

156.8 J

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B

165.8 J

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C

16 J

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D

160 J

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Solution

The correct option is A 156.8 J
PE= $m g h = 8 \times 9.8 \times 2 = 156.8 J$

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