A vehicle suspension system consists of a spring and a damper. The sti – McqOptions

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

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