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A body of mass 100 kg is moved along a rough horizontal plane through a distance ot 10 m.
Assuming that 25% of the heat developed is retained by the body, find the rise of temperature
of the body. g = 980 cm/s², = 0.5. sp. ht. of material of body = 0.1, J = 4.2J/cal.
%3D

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