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← ScienceWhich outcome reduces the lift coefficient when aircraft Mach number exceeds Mcrit?
A)Compressibility induces shock wave formation✓
B)Boundary layer undergoes laminar separation
C)Viscosity effects generate parasitic drag
D)Aircraft enters uncontrolled Dutch roll
💡 Explanation
Shock waves form due to compressibility above Mcrit; this induces shock-induced separation where airflow detaches, reducing pressure differential, therefore lift is diminished rather than increased stability, due to turbulent viscosity dominance during attached flow.
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