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A body of mass m moving with velocity 3k...

A body of mass m moving with velocity `3km//h` collides with a body of mass 2m at rest. Now, the coalesced mass starts to move with a velocity

A

`4" km h"^(-1)`

B

`3" km h"^(-1)`

C

`2" km h"^(-1)`

D

`1" km h"^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
D
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