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Two particle of equal mass m at A and B ...

Two particle of equal mass `m` at `A` and `B` are connected by a rigid light rod `AB` lying on a smooth horizontal table. An impulse `J` is applied at `A` in the plane of the table and perpendicular at `AB`. The velocity of particle at `A` is

A

`J/(2m)`

B

`J/m`

C

`(2J)/m`

D

zero

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The correct Answer is:
B
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