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Two particles A & B of mass m(1) and m(2...

Two particles A & B of mass `m_(1)` and `m_(2)` respectively start moving from O with speeds `v_(1)`, and `v_(2)`. A moves towards the plane mirror and B moves parallel to mirror horizontally. The mirror is in y-z plane. The absolute-speed of image of centre of mass of the system (image of A + image of B)is:

A

Zero

B

`(m_(1)m_(2))/(m_(1))`

C

`(m_(2)m_(2))/(m_(1))`

D

None of these

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