A disc of mass m and radius R is given a linear velocity V_(0) on a rough horizontal surface. Initially the motion of the disc is purely translatory. The work done by friction in changing the motion of the disc from pure translatory to pure rolling is 1/xmv_(0)^(2) where 'x' is

A disc of mass m and radius R is given a linear velocity V_(0) on a ro

1.	A disc of mass m and radius R is given a linear velocity V_(0) on a rough horizontal surface. Initially the motion of the disc is purely translatory. The work done by friction in changing the motion of the disc from pure translatory to pure rolling is 1/xmv_(0)^(2) where 'x' is
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