The position co-ordinates of two particles of masses m1 and m2are (x1, y1, z1) and (x2, y2, z2) respectively. Find the coordinates of the centre of mass.
The position vectors of masses m1 and m2 are respectively,
Let the position coordinates of the centre of mass be (X, Y, Z).
Therefore the position vector of centre of mass is,
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Zero.
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