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Two solid balls of rubber A and B whose ...

Two solid balls of rubber A and B whose masses are 200gm and 400gm respectively, are moving in mutually opposite directions. If the velocity A is 0.3 m/s and both the balls come to rest after collision, then the velocity of ball B is :

A

`0.15 ms^(-1)`

B

` - 0.15 ms^(-1)`

C

`1.5 ms^(-1)`

D

none of these

Text Solution

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The correct Answer is:
B
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