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Three identical spheres each of mass m a...

Three identical spheres each of mass `m` and radius `R` are placed touching each other so that their centres `A,B` and `C` lie on a straight line. The position of their centre of mass from centre of `A` is

A

`(2R)/3`

B

2R

C

`(5R)/3`

D

`(4R)/3`

Text Solution

Verified by Experts

The correct Answer is:
B
`x_(cm)= (m_(1)x_(1)+m_(2)x_(2)+m_(3)x_(3))/(m_(1)+m_(2))`
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