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 ball comes to rest, then what should be the mass of the ball
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
By conservation of energy,
By conservation of momentum,
From (i) and (ii), we get
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