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Q. Three balls are attached to a light rigid rod. A fulcrum is located at xf = 18.5 cm measured from the left end of the rod. Ball A has mass mA = 65 g and is located at xA = 7 cm. Ball B has mass mB = 9 g located at xB = 22 cm. Ball C has mass mC = 24 g located at xC = 34 cm. Compute the x-coordinate of the center of mass XCM. Suppose that the mass of the rod is small enough to be ignored in your calculation. Your answers must be accurate to within 0.1 cm

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