A rod AB of mass M and length L is lying on a horizontal frictionless surface. A particle of mass m travelling along the surface hits the end A of the rod with a velocity v 0 in a direction perpendicular to AB. The collision is perfectly elastic and after the collision, the particle comes to rest. The ratio 
is
A
B
C
D
1
Text Solution
Verified by ExpertsThe correct answer is:
A
Using the principle of conservation of linear momentum 
Using the principle of conservation of angular momentum 
Since the collision is completely elastic, the velocity of approach is equal to the velocity
of separation
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