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A body of mass m moves in a horizontal circle of radius r at a constant speed v. What is the change in linear momentum of the body when it moves from X to Y (where XY is a diameter) ?
let xcap be the direction of the mass m at any position of the diameter 2r.Hence,Linear momentum = Mvfinal – mvinitialHence,P = mvxcap – (-mvxcap) = > 2mV(xcap)Hence xcap is a particular direction.
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