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Three balls A, B, and C, with masses of 2.7 kg, 1.1 kg, and 1.2 kg, respectively, are connected by massless rods, as shown in the figure below. A force Fvec = 12.4 N ihat is applied to the 2.7-kg ball. (No forces act on the other two balls.) What is the acceleration of the center of mass of the three-ball system?

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