(19) The peak amplitude of a single-degree-of freedom system under harmonic excitation is found to be 5 cm. If the undamped natural frequency of the system is 10n rad/sec and the amplitude of the harmonic force is five times the spring constant (k) where k is measured in N/cm, find (a) damping ratio, (b) the amplitude of the system at frequency 20n rad/sec.

(19) The peak amplitude of a single-degree-of freedom system under harmonic excitation is found to be 5 cm. If the undamped natural frequency of the system is 10n rad/sec and the amplitude of the harmonic force is five times the spring constant (k) where k is measured in N/cm, find (a) damping ratio, (b) the amplitude of the system at frequency 20n rad/sec.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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