The velocities of three particles of masses 20g, 30g and 50g are `10hati,10hatj " and " 10hatk`
Channel: Doubtnut
Date: 2020-08-23

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