1.

Centre of mass of two particle with masses 2 kg and 1 kg locsted at (1, 0, 1) and (2, 2, 0) has the co - ordinates of

Answer»

`(4)/(3),(2)/(3),(2)/(3)`
`(2)/(3),(4)/(3),(2)/(3)`
`(2)/(3),(2)/(3),(4)/(3)`
`(1)/(3),(2)/(3),(2)/(3)`

ANSWER :A


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