E5.19 A second-order system has the closed-loop transfer function

Y(s) T(s) = w R(s) s+2ws + w/1 20 s+5.38s+20 (a) Estimate the percent overshoot P.O., the time to peak Tp, and the settling time T, of the unit step response. (b) Obtain the system response to a unit step, and verify the results in part (a).