Nitrogen gas at a stagnation temperature of 300 K and a static pressure of 2 bar flows adiabatically through a pipe duct of 0.3 m diameter. At a particular station along the duct length the Mach number is 0.6. Assuming the flow is frictionless, determine a. the static temperature and stagnation pressure of the flow; b. the mass flow of gas if the duct diameter is 0.3 m. For nitrogen gas take R = 297 J/(kg K) and y = 1.4.

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