Ans: sqrt(14/3 gr)
4 Sept 2021
A carpet of mass M made of in-extensible material is rolled along its length in the form of a cylinder of radius R and kept along a rough floor. The carpet starts unrolling without sliding on the floor, when a negligibly sniall push is given to it. The horizontal velocity of, the axis of a cylindrical part of the carpet when its radius is reduced to R/2 is
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