Question: The jet engine in Fig P3.50 admits air at 20°C and 1 atm at (1), where A1 = 0.5 m2 and V1 = 250 m/s.

The jet engine in Fig P3.50 admits air at 20°C and 1 atm at (1), where A1 = 0.5 m2 and V1 = 250 m/s. The fuel-air ratio is 1:30. The air leaves section (2) at 1 atm, V2 = 900 m/s, and A2 = 0.4 m2. Compute the test stand support reaction Rx needed.

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