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3. For small amount of damping, show that the damping ratio ζ can be approximated from the respon...

3. For small amount of damping, show that the damping ratio ζ can be approximated from the response curve as 212nωωζω−=. 1ω and 2ω are the frequencies on either side of resonance, where the amplitude is 12 of its maximum value. Explain how you can apply this result to the measurement of damping coefficient.

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