calculate the energy possessed by a stone of mass 10 kg kept on a height of 5m(g = 9.8)

The potential energy possessed by stone=mgh

=10 x 9.8x5=490J

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490 joules

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As it possess potential energy,

  so,     PE = mgh

It is given,  m = 10 kg,  h = 5m,  g = 9.8

  So,  subtituting the value of variables ,

  PE = 10 * 5 * 9.8 

  =  490 Joules

Therefore ,  the energy possessed by a stone is  490 Joule .

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