A stick of length L and mass M lies on a frictionless horizontal surface on which it is…
Physics · JEE Advanced · NTA Exams — Rotational Motion
A stick of length L and mass M lies on a frictionless horizontal surface on which it is free to move in any way. A ball of mass m moving with speed v collides elastically with the stick as shown in the figure. If after the collision the ball comes to rest, then what should be the mass of the ball?
- m = 2
- m = M
- m = M/2
- m = M/4
Answer
(D) m = M/4
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