(a) Obtain the equations of motion of the system shown in Figure.
(b) Suppose that the masses are m1 = 1 kg, m2 = 2 kg, and the spring constants are k1 = k2 = k3 = 1.6 x 104 N/m. Use MATLAB to obtain the plot of the free response of x1. Use x1 (0) = 0.1 m, x2(0) = 1 (0) = 2(0) = 0.

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k3