Question: After 10 periods of free vibration of a structure, the amplitude drops to 10% of the original. Try to find the damping ratio &

After 10 periods of free vibration of a structure, the amplitude drops

After 10 periods of free vibration of a structure, the amplitude drops to 10% of the original. Try to find the damping ratio & of the structure and the magnification factor when it resonates under the action of harmonic load.

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