Solve the below:
Q: Air is approaching a converging-diverging nozzle with a low velocity at 20°C and 300 kPa, and it leaves the nozzle at a supersonic velocity. The velocity of air at the throat of the nozzle. You should solve the problem in a step by step.You must include all the units which are needed to solve the given problem.Your steps and calculation should be clear and understanadable.