Question: Air flows adiabatically through a duct. At one section, V1 = 400 ft/s, T1 = 200F, and p1 = 35 psia, while farther downstream V2

Air flows adiabatically through a duct. At one section, V1 = 400 ft/s, T1 = 200°F, and p1 = 35 psia, while farther downstream V2 = 1100 ft/s and p2 = 18 psia. Compute
(a) Ma2;
(b) Umax; and
(c) po2/po1.

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