Liquid glycerin is flowing through a 25-mm-diameter and 3-m-long tube. The liquid glycerin enters the tube at 20°C with a mass flow rate of 0.5 kg/s. If the outlet mean temperature is 40°C and the tube surface temperature is constant. Determine the surface temperature of the tube.

import math

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

print (math.sqrt(math.fabs(

answer:

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