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2. Compute a value of the damping coefficient c such that the steady state response
amplitude of the system in figure below.
X(t)
20 cos 6.3t
Nawtnn
150 kg
Friction
free
Rurface
4,000 N/m
Fig. 4.5 Mass tic .
ig and Dashpot
fo
For the amplitude of the steady state response use the equation X= -
Then substitute 27wn= c/m where c =
- m²( into this equation.

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