A point particle is held on axis of ring of mass m and radius r and distance r from c. When it is released, it reaches c under gravitational attraction of ring. Its speed at c will be?
Dear Student ,
Here is a link which will help you to get the answer .
https://www.meritnation.com/ask-answer/question/a-point-particle-is-held-on-the-axis-of-a-ring-of-mass-m-and/physics/10189323
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