A ball A collides elastically with another identical ball B with velocity 10 m/s at an angle of 30 0 from the line joining their centers C 1 an d C 2 . Select the correct alternative(s) –
A
Velocity of ball A after collision is 5 m/s
B
Velocity of ball B after collision is 
m/s
m/s
C
Both the balls move at right angles after collision
D
Kinetic energy will not be conserved here, because collision is not head on
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
(a, b, c)
After the collision, A will move with 5 m/sec
After the collision, B will move with 5 
m/sec
KE is conserved in elastic collision whether it head on or oblique.
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