A bob of mass 
is suspended at a point O by a light string of length l and left to perform
vertical motion (circular) as shown in figure. Initially, by applying horizontal velocity 
at the point ' A ', the string becomes slack when, the bob reaches at the point ' D '. The ratio of the kinetic energy of the bob at the points B and C is .
Text Solution
Verified by ExpertsThe correct answer is:
B
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