Numerical Question 9 and 10

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9. A step change of magnitude 6 is introduced into the control system having transfer function: G(s)=Y(s)/X(s)=10/(5s2+0.6s+6). The values of overshoot, decay ratio and radian frequency are %, % and rad/min. Ans. 84, 71, 1.1 10. The value of Kc for process having open loop transfer function G(s)=s(s+1)4Kc with p controller is Ans. 0.28