Three identical spheres each of radius .R. are placed on a horizontal surface touching one another. If one of the spheres is removed, the shift in the centre of mass of the system is

Three identical spheres each of radius .R. are placed on a horizontal

1.	Three identical spheres each of radius .R. are placed on a horizontal surface touching one another. If one of the spheres is removed, the shift in the centre of mass of the system is
Answer» `R//2 SQRT(3)` R/2 `sqrt(3)R//2` `R//sqrt(3)` ANSWER :D