Six identical particles each of mass m are arranged at the corners of a regular hexagon of side length a. If the mass of one of the particle is doubled, the shift in the centre of mass is

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

1.	Six identical particles each of mass m are arranged at the corners of a regular hexagon of side length a. If the mass of one of the particle is doubled, the shift in the centre of mass is
Answer» a `(6A)/(7)` `(a)/(7)` `(a)/(sqr(3))` ANSWER :C