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The coordinates of three particles are (5,7), (0,3) and (-1,-1). if the three particles have masses of 1.0 kg, 2.0 kg and 2.0 kg respectively, find the coordinates of the center of mass.

a.(-0.6,2.2)
b. (0.6, 2.2)
c. (-0.6, -2.2)
d. (0.6, -2.2)

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