Air at 13 psia and 50°F enters an adiabatic diffuser steadily with a velocity of 600 ft/s...

Air at 13 psia and 50°F enters an adiabatic diffuser steadily with a velocity of 600 ft/s and leaves with a low velocity at a pressure of 14.5 psia. The exit area of the diffuser is 4 times the inlet area. Determine (a) the exit temperature and (b) the exit velocity of the-air.