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Q.

An ice in the shape of cylinder is kept on a rough horizontal surface as shown in the figure. An initial velocity v0 is imparted to cylindrical ice. The initial mass of ice is m0 and coefficient of friction between ice and horizontal surface is 'μ'. The initial temperature of ice 00C and its latent heat of fusion is L. Choose the correct  option(s).

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a

The velocity of cylindrical ice at time ‘t’ is given by  (v0+μgt)

b

The velocity of cylindrical ice at time ‘t’ is given by  (v0μgt)

c

The mass of cylindrical ice at time ‘t’ is given by m0eμgL(v0tμgt22)

d

The mass of cylindrical ice at time ‘t’ is given by m0eμgL(v0t2μgt22)

answer is B, C.

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