Two balls 
and 
approach each other with equal speeds of 
. If the collision is perfectly elastic, then the new velocities of balls 
and 
are respectively
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
from mementum consernation
using velocity of seperation 
velocity of approach
Adding 
(i) 
(ii) we get
putting from eq 
(ii) 
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