The figure below shows a horizontal pipe with a varying cross-section. A liquid with a density of 1.65 g/cm3 flows from left to right in the pipe, from larger to smaller cross-section. The left side's cross-sectional area is 10.0 cm2, and while in this side, the speed of the liquid is 2.71 m/s, and the pressure is 1.20 ✕ 105 Pa. The right side's cross sectional-area is 4.50 cm2.

Physics for Scientists and Engineers, Technology Update (No access codes included)
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Author:Raymond A. Serway, John W. Jewett
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Chapter14: Fluid Mechanics
Section: Chapter Questions
Problem 14.55P
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The figure below shows a horizontal pipe with a varying cross-section. A liquid with a density of 1.65 g/cm3 flows from left to right in the pipe, from larger to smaller cross-section. The left side's cross-sectional area is 10.0 cm2, and while in this side, the speed of the liquid is 2.71 m/s, and the pressure is 1.20 ✕ 105 Pa. The right side's cross sectional-area is 4.50 cm2.
 
(a) What is the speed (in m/s) of the liquid in the right side (the smaller section)? (Enter your answer to at least three significant figures.)
(b) What is the pressure (in Pa) of the liquid in the right side (the smaller section)?
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