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A body of mass 5 kg falls from a height of 30 metres. If all of its mechanical energy is converted into heat, then heat produced will be[Take g=9.8 m/s2 and J=4.2 J/cal]

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A body of mass 5 kg falls from a height of 30 metres. If all of its mechanical energy is converted into heat, then heat produced will be

[Take g=9.8 m/s2 and J=4.2 J/cal]



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