Discussion
For a normal shock at \( M_1 = 2 \), the stagnation pressure ratio \( p_{02}/p_{01} \) is nearest to
Answer: D
Combining the two factors of the normal shock stagnation relation gives \( 2.667^{3.5} \times (2.4/10.8)^{2.5} = 30.96 \times 0.02328 = 0.721 \). Nearly twenty-eight per cent of the stagnation pressure has been destroyed by a single shock, which is the loss a supersonic intake exists to avoid.
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