If flight velocity is u and the vehicle exhaust velocity is c, when i – McqOptions

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1.	If flight velocity is u and the vehicle exhaust velocity is c, when is the propulsive efficiency maximum?
A.	u ≅ c
B.	u ≫ c
C.	u ≪ c
D.	c → ∞
Answer» B. u ≫ c

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