Published by:
CGP EDU Academic Team
Published on: August 14, 2026
A billiard ball 
of mass 
moving with velocity 
collides two identical balls 
and 
in contact and at rest. After the collision, ball 
is stopped dead and balls 
and 
move along directions shown in figure with the same speed 
. Then,
A
B
C
loss in 
D
loss in 
Text Solution
Verified by ExpertsThe correct answer is:
A
As net external force is zero.
Applying conservation of momentum,
Now, initial KE, 
Final KE, 
Loss in 
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