A particle is suspended vertically from a point O by an inextensible massless string of length L A vertical line AB is at a

Question

A particle is suspended vertically from a point O by an inextensible massless string of length L A vertical line AB is at a distance L 8 from O as shown The object given a horizontal velocity u At some point its motion ceases to be circular and eventually the object passes through the line AB At the JEE 99 instant of crossing AB its velocity is horizontal Find u L L 8 u

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