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Which outcome arises when an aircraft's angle-of-attack exceeds the critical limit, defying predictions from the ideal Bernoulli equation?

A)Boundary layer separation and stall
B)Decreased parasitic drag coefficient
C)Increased airspeed due to pressure
D)Enhanced lift from laminar airflow

💡 Explanation

Boundary layer separation and stall occur because when exceeding the critical angle-of-attack, the adverse pressure gradient overwhelms airflow, leading to turbulence that disrupts lift; therefore creating stall rather than increased lift because the pressure gradients and airflow assumptions become invalid.

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