Question 20.4: The system shown in Fig. (a) of Sample Problem 20.3 is under...
The system shown in Fig. (a) of Sample Problem 20.3 is underdamped with the damping factor being ζ = 0.25. If the initial conditions on the motion of the block are x = 0 and \dot x = 4 m/s, determine the displacement of the block at time t = 0.1 s. Use the data m = 0.2 kg, k_1 = 20 N/m, and k_2 = 30 N/m.
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