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 Q1c. Which system (A or B) has higher damping? Briefly explain your answer. 3 103 System A: Displacement versus Time 3 103 System B: Displacement versus Time Displacement [m] " 2 Time [s] 2 - " Displacement [m] -3 Figure Q1c 2 Time [s] 3