The peak amplitude of a single-degree-of-freedom system, under a harmonic excitation, is observed to be (5 mathrm{~mm}).
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The peak amplitude of a single-degree-of-freedom system, under a harmonic excitation, is observed to be \(5 \mathrm{~mm}\). If the undamped natural frequency of the system is \(5 \mathrm{~Hz}\), and the static deflection of the mass under the maximum force is \(2.5 \mathrm{~mm}\),
(a) estimate the damping ratio of the system, and
(b) find the frequencies corresponding to the amplitudes at half power.
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