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Three particles of masses 1 kg, 2 kg and...

Three particles of masses `1 kg, 2 kg` and `3 kg` are situated at the corners of an equilateral triangle move at speed `6ms^(-1), 3ms^(-1)` and `2ms^(-1)` respectively. Each particle maintains a direction towards the particle at the next corner symmetrically. Find velocity of `CM` of the system at this instant

A

`1`

B

`2`

C

`3`

D

`4`

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The correct Answer is:
B

Ans.(2)
`V_(C_(x))=(mxx3-3xx(1)/(2)xx2-1xx(1)/(2)xx6)/(4+m)=0`
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