# Problem: Two metal spheres are connected by a light, 15 cm rod. One sphere has a density of 1500 kg/m3 and a radius of 10 cm, the other has a density of 2200 kg/m3 and a radius of 5 cm. What is the center of mass of this system?

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Two metal spheres are connected by a light, 15 cm rod. One sphere has a density of 1500 kg/m3 and a radius of 10 cm, the other has a density of 2200 kg/m3 and a radius of 5 cm. What is the center of mass of this system?

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