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The velocities of three particles of masses 20 g,30 g and 50 g are 10i, 10j,and 10k respectively. Thevelocity of the centre of mass of the three particles is(2) 10(++k)(4) 21+307 +50k(1) 2737+5k(3) 207+307+5k |
| Answer» The velocities of three particles of masses 20 g,30 g and 50 g are 10i, 10j,and 10k respectively. Thevelocity of the centre of mass of the three particles is(2) 10(++k)(4) 21+307 +50k(1) 2737+5k(3) 207+307+5k | |