A pipe with an inner diameter of 2.00 cm is being used to deliver water at an absolute pressure of 4.00 X 105Pa, with constant flow speed of 1.50 m/s. It is then connected to another pipe with a diameter of 1.00 cm placed in the 2nd floor located 5.00m above the first pipe. What is the absolute pressure at the pipe in the 2nd floor?

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A: This problem can be solved using Bernoulli's equation for fluids.

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Variation of pressure

From the equation of pressure, pressure is directly proportional to the applied force.