Question 3 15 points Air enters a nozzle steadily at density 2.21 kg/m3 and velocity 30m's and leaves at density 0.762 kg/m2. The inlet and outlet areas of the nozzle are 80 cm2 and 38.7 cm2 Determine: a. The mass flow rate of air through the nozzle (kg/s) 6. The discharge rate of air through the nozzle (m2) c. The exit air velocity (m/s)