Test Academy | The coordinates of the positions of particles of mass 7, 4 and 10 gm are (1,5, - 3), (2,5,7) and (3, 3, -1)cm respectively. The position of the centre of mass of the system would be (-15/7, 85/17, 1/7) cm, (15/7, -85/17, 1/7) cm, (15/7, 85/21, -1/7) cm, (15/7, 85/17, 1/7) cm

Question

The coordinates of the positions of particles of mass 7, 4 and 10 gm are (1,5, - 3), (2,5,7) and (3, 3, -1)cm respectively. The position of the centre of mass of the system would be

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