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(Solved): Consider the system depicted in Fig. Use the complex exponential method to determine the harmonic, ...





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Consider the system depicted in Fig. Use the complex exponential method to determine the harmonic, steady state response. The input displacement is given by . Assume that . Find expressions for and the phase lag as function of frequency (you can define the phase lag in terms of two other angles that are each explicitly defined in terms of w).


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The complex exponential method is a powerful tool for solving differential equations. It can be used to find the steady state response of a system to a harmonic input. In this case, the input displacement is given by

  



where   ? is the amplitude of the input displacement and    is the frequency of the input displacement.


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