Sulfur dioxide (SO2) consists of two oxygen atoms (each of mass 16 u, where u is defined in Problem 39) and a single sulfur atom (of mass 32 u). The center to-center distance between the sulfur atom and either of the oxygen atoms is 0.143 nm, and the angle formed by the three atoms is 120°, as shown in FIGURE 9-34. Find the x and y coordinates of the center of mass of this molecule.

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Oxygen Oxygen 120 0.143 nm P0.143 nm Sulfur