Three identical particles each of same mass are placed touching each other with their centres on a straight line. Their centres are at A, B and C respectively. Then distance of centre of mass of the system from A is

Three identical particles each of same mass are placed touching each o

1.	Three identical particles each of same mass are placed touching each other with their centres on a straight line. Their centres are at A, B and C respectively. Then distance of centre of mass of the system from A is
Answer» `(AB+AC+BC)/(3)` `(AB+AC)/(3)` `(AB+BC)/(3)` `(AC+BC)/(3)` ANSWER :B