Two point masses of mass m and 2m placed on smooth horizontal plane are connected by a light rod of
Channel: Doubtnut
Date: 2020-05-24

Two point masses of mass m and 2m placed on smooth horizontal plane are connected by a light rod of length l. Masses are given velocities in horizontal plane perpendicular to rod as shown. If area of cross section of rod is A and Young's modulus is Y, then elongation in the rod, will be