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Water vapor flowing from a nozzle is 300 ° C at the entrance of the nozzle,...

Water vapor flowing from a nozzle is 300 ° C at the entrance of the nozzle, its pressure is 6 MPa, its speed is 10 m / s: its temperature is 200 ° C and its pressure is MPa. What is the speed of the water vapor at the nozzle exit?
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