Air flows steadily through a short duct of gradually changing area, and smooth inside surface. The air flow is supplied by a large tank, wherein the temperature and pressure are held constant at 450 deg F and 30 psia. At a certain location, the flow area is equal to 2.0 in2, and the density is equal to 0.020 lbm/ft3. Calculate pressure

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import math

x=int(input("enter a number: "))

print (math.sqrt(math.fabs(

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answer:

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explanation: