The differential equation of a control system with the zero-primary condition is as follows:

Determine the time that the second peak in the system response occurs if the input is \(r(t)=4 u(t)\).

1) \(\frac{3 \pi}{4}\)
2) \(\frac{\pi}{3}\)
3) \(\frac{\pi}{2}\)
4) \(\frac{\pi}{20}\)

Transcribed Image Text:

y"(t)+4y(t)+20y(t) = r(t)