QUESTION 1 (25 marks) Consider a mass spring and damper system as shown in Figure Q1. Determine the followings: a) The natural frequency of the system con b) Critical damping coefficient Cc c) Damping ratio and type of damping conditions (4 marks) (2 marks) (2 marks) (2 marks) e) Equation for displacement y in terms of time t or y= f(t). (15 marks) d) Damped natural frequency on W = 60N k k = 900N/m c = 12Ns/m d = 0.2m Figure Q1