Aerospace Engineering > GATE 2021 > Airspeed
Let V_TAS be the true airspeed of an aircraft flying at a certain altitude where the density of air is ρ, and V_EAS be the equivalent airspeed. If ρ_0 is the density of air at sea-level, what is the ratio V_TAS/V_EAS equal to?
A
ρ/ρ_0
B
ρ_0/ρ
C
√(ρ_0/ρ)
D
√(ρ/ρ_0)

Correct : c

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