The Center of Mass (Or Center of Gravity)of a Two-Particle

Multiple Choice

The center of mass (or center of gravity) of a two-particle system is at the origin.One particle is located at (3.0 m,0.0 m) and has a mass of 2.0 kg.The other particle has a mass of 3.0 kg.What is the location of the 3.0-kg particle?

A) (-3.0 m,0.0 m)
B) (-2.0 m,0.0 m)
C) (2.0 m,0.0 m)
D) (3.0 m,0.0 m)