Water at a pressure of 3.85 x 105 N/m2 at street level flows into an office building at a speed of 0.68 m/s through a pipe with a radius of 2.5 cm. The pipe tapers down to 1.4 cm in diameter by the top floor, 18 m above the street. The flow speed is 2.2 m/s at the top floor. Calculate the pressure in the pipe on the top floor.

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A: Ans:- Image-1

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Variation of pressure

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