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[" A carpet of mass "m" made of inextens...

[" A carpet of mass "m" made of inextensible 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 small 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 "],[[" 1) "sqrt((14)/(3)eR)," 2) "sqrt((7)/(3)gR)," 3) "sqrt(eR)," 4) "sqrt(2gR)]]

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