Three particles of masses 2 kg, 4 kg and 6 kg are located at the vertices of an equilateral triangle of side 0.5 m. What is the position of centre of mass if the origin is located at 2 kg mass and 4 kg mass located along x-axis ?
0.29 m, 0.22 m
2.9 m, 2.2 m
1.9 m, 1.2 m
none of these