JEE Main · PhysicsHard
A chain of mass and length is held on a frictionless table with a fraction of its length hanging over the edge. If the chain is released, what is the velocity of the chain as it completely leaves the table?
- A.
- B.
- C.
- D.
Show correct answer & step-by-step solution
Correct answer: A —
Solution
Using conservation of energy, the change in potential energy of the center of mass of the chain equals the final kinetic energy, .
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