The co-ordinates of centre of mass of particles of mass 10,20 and 30 gm are (1,1,1) cm. The position co-ordinates of mass 40gm which when added to the system , the position of combined centre of mass be at (0,0,0) are

The co-ordinates of centre of mass of particles of mass 10,20 and 30 g

1.	The co-ordinates of centre of mass of particles of mass 10,20 and 30 gm are (1,1,1) cm. The position co-ordinates of mass 40gm which when added to the system , the position of combined centre of mass be at (0,0,0) are
Answer» `(3//2,3//2,3//2)` `(-3//2,-3//2,-3//2)` `(3//4,3//4,3//4)` `(-3//4,-3//4,-3//4)` ANSWER :B