The unit step response of a second order linear system with zero initial states is given by C (t) = 1 + 1.25 exp ( 6t) sin (8t tan 1 1.333); t 0 The damping ratio and the undamped natural frequency of oscillation for the system are respectively

The unit step response of a second order linear system with zero initi

1.	The unit step response of a second order linear system with zero initial states is given by C (t) = 1 + 1.25 exp ( 6t) sin (8t tan¹ 1.333); t 0 The damping ratio and the undamped natural frequency of oscillation for the system are respectively
A.	0.6 and 10 rad/s
B.	0.6 and 12.5 rad/s
C.	0.8 and 10 rad/s
D.	0.8 and 12.5 rad/s
Answer» B. 0.6 and 12.5 rad/s

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The unit step response of a second order linear system with zero initial states is given by C (t) = 1 + 1.25 exp ( 6t) sin (8t tan 1 1.333); t 0 The damping ratio and the undamped natural frequency of oscillation for the system are respectively

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The unit step response of a second order linear system with zero initial states is given by
C (t) = 1 + 1.25 exp ( 6t) sin (8t tan¹ 1.333); t 0
The damping ratio and the undamped natural frequency of oscillation for the system are respectively