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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A mass m is moving at speed v perpendicular to a rod of length d and mass M = 6 m pivots around a frictionless axle running through its centre and stickes to the end of the rod. The moment of inertia od the rod about its centre is Md 2/12. Then the angular speed of the system right after the collision us –

A mass m is moving at speed v perpendicular to a rod of length d and mass M = 6 m pivots around a frictionless axle running through its centre and stickes to the end of the rod. The moment of inertia od the rod about its centre is Md 2/12. Then the angular speed of the system right after the collision us –

A Disc of mass m and radius R moves in the x-y plane as shown in figure. The angular momentum of the disc about the origin O at the instant shown is