2. Carbon dioxide (PG model: k=1.288, c_p30.8436 kJ/kg.K) enters an isentropic (adiabatic and reversible) nozzle with a velocity of 5 m/s at 1255 kPa and 300 K. The inlet area is 100 cm.At the exit the pressure is 255 kPa. Determine the exit velocity in m/s.

Fig: 1

Fig: 2