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Two balls with masses in the ratio of 1:...

Two balls with masses in the ratio of 1:2 moving in opposite direction have a head-on elastic collision. If their velocities before impact were in the ration of 3:1, then velocities after impact will have the ratio :

A

`5 :3`

B

`7:5`

C

`4:5`

D

`2:3`

Text Solution

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The correct Answer is:
B
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