spring-mass-damper system is excited by a force F0sino)t. The amplitud – McqOptions

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1.	spring-mass-damper system is excited by a force F0sino)t. The amplitude at resonance is measured to be 1 cm. At half the resonant frequency, the amplitude is 0.5 cm. The damping ratio of the system is
A.	0.1026
B.	0.3242
C.	0.7211
D.	0.1936
Answer» E.

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