After an initial disturbance which was the same for both systems, the free dynamic responses of two SDOF systems having the same mass and stiffness are shown in Figure Q1e. Which system (A or B) has higher damping? Briefly explain your answer. Displacement [m] 104 System A: Displacement versus Time 20 15 10 10 50 -5 0.1 0.2 0.3 Time [s] 0.4 0.5 1.4 10 System B: Displacement versus Time 1.2 0.8 0.6 00.4 0.2 0.1 0.2 0.3 0.4 0.5 Time [s] Figure Q1e After an initial disturbance which was the same for both systems, the free dynamic responses of two SDOF systems having the same mass and stiffness are shown in Figure Q1f. Which system (A or B) has higher damping? Briefly explain your answer. Displacement [m] System A: Displacement versus Time 0.012 0.01 0.008 0.006 0.004 0.002 0.1 0.2 0.3 Time [s] 0.4 0.5 Displacement [m] System B: Displacement versus Time 0.012 0.01 0.008 0.006 0.004 0.002 Figure Q1f 0.1 0.2 0.3 Time [s] 0.4 0.5