Four identical particles each of mass m are arranged at the corners of a square of side .a.. If mass of one of the particle is doubled, the shift in the centre of mass of the system is

Four identical particles each of mass m are arranged at the corners of

1.	Four identical particles each of mass m are arranged at the corners of a square of side .a.. If mass of one of the particle is doubled, the shift in the centre of mass of the system is
Answer» `(a)/(2sqrt(2))` `(a)/(3sqrt(2))` `(a)(4sqrt(4))` `(a)/(SQRT(3))` ANSWER :D