Two masses ' m 1 ' and ' 
' moving with velocities ' v 1 ' and ' v 2 ' in opposite directions collide elastically and after collision masses ' m 1 ' and ' m 2 ' move with velocity ' v 2 ' and ' v 1 ' respectively. The ratio 
is
Text Solution
Verified by ExpertsThe correct answer is:
C
:
As, 
For perfectly elastic collision, 
Also, for perfectly elastic collision, the two colliding bodies exchange their velocities i.e., they have same mass.
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