Aerospace Engineering > GATE 2011 > Dynamic Stability
An aircraft in level flight encounters a vertical gust, which excites the phugoid mode. The phugoid
motion completes 10 cycles in 50 s and its amplitude reduces to half of its maximum value in 25 s.
The eigenvalues of the phugoid mode are
motion completes 10 cycles in 50 s and its amplitude reduces to half of its maximum value in 25 s.
The eigenvalues of the phugoid mode are
Correct : c
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