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Consider compressibility effects of plane travelling

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Question 1.

Calculate the speed of sound in air at an altitude of 50,000 m if the properties of air at that altitude where the temperature is 270.7 K are Cp= 1.0056 J/(kg .K) and Cv= 0.7183 J/(kg.K). Assume the gas constant R= 0.287 kJ/(kg.K)

Question 2.

Would you consider the compressibility effects of a plane travelling at that altitude at a speed of 300 km/h to be significant or insignificant?

Reference no: EM133232499

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