3. A small fan engine (as shown in the figure) was tested and the incoming speed u:was 100 m/s. The inlet area is A1 = 0.1 m², and the exhaust

speed is u2 = 200 m/s.Assuming that the flow is accelerated by the fan and that the pressure and density are the same at the inlet and exit (and p= 1.2 kg/m'), calculate the exit area A,. Also calculate the thrust generated by this unit.