Question: Question 1 : ( 2 0 points ) The figure below shows the natural vibration of a driver sitting in a car. Estimate the natural

Question 1: (20 points)
The figure below shows the natural vibration of a driver sitting in a car. Estimate the natural frequency and damping ratio. If the driver's mass is 80 kg , estimate the seat stiffness and damping coefficient.
Solution:
Question 1 : ( 2 0 points ) The figure below

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