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JEE Main Physics question

PhysicsSystems of Particles and Rotational MotionJEE Main

A thin uniform rod of mass and length is hinged at the lower end to a level floor and stands vertically. It is now allowed to fall, then its upper end will strike the floor with a velocity given by

Answer: (B)

Solution

Energy conservation about the hinge: \dfrac$

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Question ID VK-159185