# An aircraft weighing $10000 \mathrm{~N}$ is flying level at $100 \mathrm{~m} / \mathrm{s}$ and it is powered by a jet engine. The thrust required for level flight is $1000 \mathrm{~N}$. The maximum possible thrust produced by the jet engine is 5000 N. The minimum time required to climb $1000 \mathrm{~m}$, when flight speed is $100 \mathrm{~m} / \mathrm{s}$, is_____________s

## Question ID - 155675 :- An aircraft weighing $10000 \mathrm{~N}$ is flying level at $100 \mathrm{~m} / \mathrm{s}$ and it is powered by a jet engine. The thrust required for level flight is $1000 \mathrm{~N}$. The maximum possible thrust produced by the jet engine is 5000 N. The minimum time required to climb $1000 \mathrm{~m}$, when flight speed is $100 \mathrm{~m} / \mathrm{s}$, is_____________s

3537

Answer Key : (25.0: 25.0) -

25.0: 25.0

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The aircraft velocity $(\mathrm{m} / \mathrm{s})$ components in body axes are given as $[u, v, w]=[100,10,10] .$ The air velocity $(\mathrm{m} / \mathrm{s})$, angle of attack (deg) and sideslip angle (deg) in that order are
(A) [120,0.1,0.1]
(B) [100,0.1,0.1]
(C) [100.995,0.1,5.73]
(D) [100.995,5.71,5.68] 