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A uniform bar of length 6a and mass 8 m lies on a smooth horizontal table. Two point-masses m and 2m moving in the same horizontal plane with speeds 2v and v respectively strike the bar as shown in Fig, and stick to the bar after collision.

A

`v_C=0`

B

`omega=(3v)/(5a)`

C

`omega=(v)/(5a)`

D

`E=(3mv^2)/(5)`

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