Two objects of masses `200g` and `500g` have velocities of `10i m//s` and `(3i + 5j) m//s` respectively. The velocity of their centre of mass is

Two objects of masses 200 g and 500 g possess velocities 10hati ms^(-1) and 3hati+5hatj ms^(-1) respectively. The velocity of their centre of mass in ms^(-1) is

Two bodies of masses 2 kg and 4 kg are moving with velocities 2 m/s and 10 m/s respectively along same direction. Then the velocity of their centre of mass will be

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