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Which consequence results when attempting lift calculation using the incompressible Bernoulli equation for a supersonic airfoil?

A)Shock wave formation is underestimated
B)Increased skin friction is predicted
C)Viscous effects are accurately modeled
D)Turbulent transition point is predicted

💡 Explanation

In supersonic flow, density changes are significant. Using the incompressible Bernoulli equation neglects density changes, because the mechanism, compressibility, is disregarded; therefore, lift is underestimated and shock wave predictions inaccurate, rather than computing viscous or turbulent phenomena that depend on other mechanics.

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