Particles of masses 1gm, 2gm, 3gm and 4 gm are placed at x = 1 cm, x = 2cm, x = 3 cm, x = 4 cm respectively. Then X_(cm)=

Particles of masses 1gm, 2gm, 3gm and 4 gm are placed at x = 1 cm, x =

1.	Particles of masses 1gm, 2gm, 3gm and 4 gm are placed at x = 1 cm, x = 2cm, x = 3 cm, x = 4 cm respectively. Then X_(cm)=
Answer» 1 CM 2 cm 3 cm 4 cm Answer :C