Choose the correct answers 11.If an aeroplane accelerates above the critical Mach number, the first high Machnumber characteristic it will usually experience is:a a nose-up pitch or "Shock Stall".b.a violent and sustained oscillation in pitch (porpoising).c. Dutch roll and/or spiral instability.da nose-down pitching moment (Mach, or high speed tuck).12.High speed buffet is caused by:a the shock waves striking the tail.b.the high speed airflow striking the leading edge of the wing.c. wing flutter caused by the interaction of the bottom and top surface shockwaves.d the airflow being detached by the shock wave and the turbulent flow strikingthe tail.

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If an aeroplane accelerates above the critical Mach number, the first high Mach number characteristic it will usually experience is: 11. a a nose-up pitch or "Shock Stall". b.a violent and sustained oscillation in pitch (porpoising). c. Dutch roll and/or spiral instability. da nose-down pitching moment (Mach, or high speed tuck).

If an aeroplane accelerates above the critical Mach number, the first high Mach number characteristic it will usually experience is: 11. a a nose-up pitch or "Shock Stall". b.a violent and sustained oscillation in pitch (porpoising). c. Dutch roll and/or spiral instability. da nose-down pitching moment (Mach, or high speed tuck).

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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