The velocities of three particles of masses 20 g, 30 g and 50 g are 10hati, 10hatj and 10hatk respectively. The velocity of the centre of mass of the three particles is

The velocities of three particles of masses 20 g, 30 g and 50 g are 10

1.	The velocities of three particles of masses 20 g, 30 g and 50 g are 10hati, 10hatj and 10hatk respectively. The velocity of the centre of mass of the three particles is
Answer» `2vec(i)+3vec(j)+5vec(K)` `10(VEC(i)+vec(j)+vec(k))` `20vec(i)+30vec(j)+5vec(k)` `20vec(i)+30vec(j)+50 vec(k)` ANSWER :A