A bob of mass M is suspended by a massless string of length L The horizontal velocity V at position A is just sufficient to make

Question

A bob of mass M is suspended by a massless string of length L The horizontal velocity V at position A is just sufficient to make it reach the point B The angle 0 at which the speed of the bob is half of that at A satisfies 1 O e TL 2 O 4 3 O K N 31 4 B 0 A

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