Published by:
CGP EDU Academic Team
Published on: August 22, 2026
A ball with a speed of 
collides with another identical ball at rest. After thecollision, the direction of each ball makes an angle of 
with the original direction. The ratio of velocities of the balls after collision is 
, where 
is
Text Solution
Verified by ExpertsThe correct answer is:
1
(1)
BEFORE
Momentum is conserved just before and just after the collision in both 
direction.
In 
-direction
, so
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