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A bob of mass m, suspended by a string of length l_(1) is given a minimum velocity required to complete a full circle inthe vertical plane. At the highest point, it collides elasticallywith another bob of mass 2m suspended by a string of length l_(2), which is initially at rest. Both strings are massless and inextensible. If the second bob, after collision acquires the minimum speed required to complete a full circle in the vertical plane, the ratio l_(2)//l_(1) is (5//4)n. The value of n is |
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Answer» 3 |
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