Question 1 15 points Air enters a nozzle steadily at density 2 21 kgm and velocity 30 ms and leaves at density 0.762 kg/m3 The inlet and outlet sters of the world we yo cm2 und 18.7.2 Determine The mass flow rate of air through the nozzle (kes) The discharpe rute of air through the nozzle m?) The exit ar velocity (ms)