The convergent-divergent nozzle in Figure 22 expands and accelerates dry air to supersonic speeds at the outlet, where p2 = 8kPa and T2 = 240K. At the throat p1 = 284 kPa, T1 = 665 K and V1 = 517 m / s. Assuming steady and compressible flow of an ideal gas, estimate (a) the mass flow wn kilograms per hour, (b) the velocity V2, and (c) the match number Ma2

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