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PROBLEM 3.2 Using equations, determine the temperature, pressure, and density of the air for an aircraft flying at 19.5 km. Is this aircraft subsonic

PROBLEM 3.2 Using equations, determine the temperature, pressure, and density of the air for an aircraft flying at 19.5 km. Is this aircraft subsonic or supersonic? Start from sea-level (SL) values: means you will have to go from SL to 11 km (one set of equations), then from 11 km to 19.5 (another set of equations). This is a two-step problem. For this problem, you should use the corresponding equations and not tables. If you solve the problem using tables and linear interpolation, you will get it wrong.

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