Air flows through a pipe with a variable cross section. at the pipe inlet the pressure is 6.0 bars, the temperature is 27? ,the area is 35.0 cm, and the velocity is 60 m/s at the pipe exit the conditions are 5.0 bars and 50°c, and the cross-sectional area is 20.0 cm2. find a) the mass flow rate, in kg/s, and b) the exit velocityin m/s. (1.46 kg/s, 135.7 m/s)
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