A block of ice of mass 50 kg is sliding on a horizontal plane. It starts with speed 
and stops after moving through some distance. The mass of ice that has melted due to friction between the block and the surface is (Assuming that no energy is lost and latent heat of fusion of ice is 
, 
)
Text Solution
Verified by ExpertsThe correct answer is:
D
Given, 
,
Heat lost, i.e. 
work done 
(kinetic energy)
and heat gained, i.e. 
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