Aerospace Engineering > GATE 2009 > Dynamic Stability
The roots of the characteristic equation for the longitudinal dynamics of a certain aircraft are:

λ1 = -0.02 + 0.2i
λ2 = -0.02 - 0.2i
λ3 = -2.5 + 2.6i
λ4 = -2.5 - 2.6i

where i = √-1. The short period damped frequency is
A
2.6 rad/s
B
0.2 rad/s
C
2.5 rad/s
D
0.02 rad/s

Correct : a

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Related Topics

aerospace engineering gate 2009 damped frequency calculation characteristic equation roots complex roots frequency short period damping longitudinal dynamics aircraft GATE aerospace engineering aircraft dynamics complex frequency calculation

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