In the figure, three connected blocks are pulled to the right on a horizontal frictionless table by a force of magnitude T3 = 89.3 N. If m1 = 14.2 kg, m2 = 23.6 kg, and m3 = 32.3 kg, calculate (a) the magnitude of the system's acceleration, (b) the tension T1, and (c) the tension T2.