Steam enters a diffuser at 10 kPa and 50°C with a velocity of 300 m/s and exits as saturated vapor at 50°C and 70 m/s. The exit area of the diffuser is 3 m2. Determine
(a) The mass flow rate of the steam and
(b) The wasted work potential during this process. Assume the surroundings to be at 25°C.