[单选题]
The center of mass of a two-particle system i59h9ryxef1 d bs at the origin. mu y/2d)w(pmpOne particle is locaty(u2/m w)pdm ped at (3.0 m, 0) and has a mass of 2.0 kg. What is the location of the second mass of 3.0 kg?
A. (-3.0 m, 0)
B. (-2.0 m, 0)
C. (2.0 m, 0)
D. (3.0 m, 0)
