A small earthquake starts a lamppost vibrating back and forth. The amplitude of the vibration of the

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A small earthquake starts a lamppost vibrating back and forth. The amplitude of the vibration of the top of the lamp- post is 6.5 cm at the moment the quake stops, and 8.0 s later it is 1.8 cm. 

a. What is the time constant for the damping of the oscillation? 

b. What was the amplitude of the oscillation 4.0 s after the quake stopped?

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College Physics A Strategic Approach

ISBN: 9780321595492

2nd Edition

Authors: Randall D. Knight, Brian Jones, Stuart Field

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