1.

Two bodies of masses m_(1) and m_(2) are separated by a distance R. The distance of the centre of mass of the bodies from the mass m_(1) is

Answer»

`(m_(2)R)/(m_(1)+m_(2))`
`(m_(1)R)/(m_(1)+m_(2))`
`(m_(1)m_(2))/(m_(1)+m_(2))R`
`(m_(1)+m_(2))/(m_(1))R`

SOLUTION :Consider MASS `m_(2)` is at the origin.
Centre of mass of the SYSTEM
`X_(EM)=(m_(1)xx0+m_(2)xxR)/(m_(1)+m_(2))`
`=(M_(2)R)/(m_(1)+m_(2))`


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