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Centre of mass (C.M.) of three particles...

Centre of mass (C.M.) of three particles of masses 1 kg, 2 kg and 3 kg lies at the point (1, 2, 3) and C.M. of another system of particles of 3 kg and 2 kg lies at the point (-1,3,-2). Where should we put a particle of mass 5 kg so that the C.M. of entire system lies at the C.M. of the first system?

A

A. (3,1,8)

B

B. (0,0,0)

C

C. (1,3,2)

D

D. (-1,2,3)

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