Discussion
A designer claims a convex corner can turn a Mach 2 stream through 120 degrees. The claim is
Answer: D
The maximum function value is 130.45 degrees, and the flow has already spent \( \nu(2) = 26.38 \) degrees getting to Mach 2, so only about 104 degrees remain. The trap is quoting the maximum as though the flow started from sonic conditions.
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