Air with a 1.7 atm gauge and a temperature of 15°C enters a horizontal 0.075m steel pipe 70 m long. The velocity at the pipe's entry is 60 m/s. What is the pressure at the discharge end of the line assuming isothermal flow? Use the equation given below. 4fALG²RT 2G?RT P1 pi – på = In P2 DM M

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