3.21. A uniform slender rod of mass m and length / is hinged at point 0, as shown in Fig. P3.10. The rod is attached to a spring and a damper at one end and to a damper at the other end, as shown in the figure. If k = 4000 N/m, m = 10kg, %3D 126 3 Free Vibration ci = c2 = 20N s/m, and / = 5 m, find the complete solution provided that the rod has zero initial angular displacement and an initial angular velocity of 5 rad/s. 1/3 21/3 Fig. P3.10

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