Question Three Air enters a constant area duct at a velocity of 200 m/s, temperature of 350 K and pressure of 150 kPa. The duct has a length of 1 m and a diameter of 0.02 m. Assuming that the flow is isothermal with an average friction factor of 0.002, determine the Mach number, the temperature and pressure at the exit of the duct and the air mass flowrate. ----

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