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 su

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//2sqrt(3)` `R//2` `SQRT(3)R//2` `R//sqrt(3)` ANSWER :D