A ball of mass m is hanging from a string of length L which is attached to a L shaped massless rod The rod is fixed on a block

Question

A ball of mass m is hanging from a string of length L which is attached to a L shaped massless rod The rod is fixed on a block which is also of mass m the whole assembly is kept on a horizontal frictionless surface as shown in diagram A bullet of mass m moving in horizontal direction collides head on with the hanging ball inelastically with speed v so that after collision the ball is just able to complete the circle m L m Column I A The value of v is m oble B The value of speed of ball just after collision at the smooth Column II p 13gL q 5gL lowest position of circle C The speed of L shaped rod r 52gL when ball is passing the horizontal position D The speed of the ball with respect to ground at the topmost position 8 8L 2 13 1 3

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