Q 39. A vehicle suspension system consists of a spring and a damper. The stiffness of the spring is 3.6kN/m and the damping constant of the damper is 400Ns/m. If the mass is 50kg, then the damping factor (d) and damped natural frequency (), respectively, are
(A) 0.471 and 1.19Hz
(B) 0.471 and 7.48Hz
(C) 0.666 and 1.35Hz
(D) 0.666 and 8.50Hz.
Answer: (A)
Explanation:
