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(II) Water and then oil (which don't mix) are poured into a U-shaped tube, open at both ends. They come to equilibrium as shown in Fig. $49 .$ What is the density of the oil? [Hint: Pressures at points a and b are equal. Why? $]$

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683$k g / m^{3}$

Physics 101 Mechanics

Chapter 13

Fluids

Fluid Mechanics

Cornell University

Rutgers, The State University of New Jersey

Simon Fraser University

University of Sheffield

Lectures

03:45

In physics, a fluid is a substance that continually deforms (flows) under an applied shear stress. Fluids are a subset of the phases of matter and include liquids, gases, plasmas and, to some extent, plastic solids.

09:49

A fluid is a substance that continually deforms (flows) under an applied shear stress. Fluids are a subset of the phases of matter and include liquids, gases and plasmas. Fluids display properties such as flow, pressure, and tension, which can be described with a fluid model. For example, liquids form a surface which exerts a force on other objects in contact with it, and is the basis for the forces of capillarity and cohesion. Fluids are a continuum (or "continuous" in some sense) which means that they cannot be strictly separated into separate pieces. However, there are theoretical limits to the divisibility of fluids. Fluids are in contrast to solids, which are able to sustain a shear stress with no tendency to continue deforming.

03:32

(II) Water and then oil (w…

04:03

Water and then oil (which …

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02:07

01:47

A U-shaped tube is partial…

01:36

A U-tube manometer shown i…

02:23

The container shown is fil…

02:22

A narrow, U-haped glass tu…

09:59

A narrow, U-shaped glass t…

04:42

A beaker of mass $m_{b}$ c…

04:58

02:13

A beaker of mass $m_{\text…

04:00

The container shown in Fig…

02:55

usher points at a and be your equal to one another. So we can then say that the atmospheric pressure plus the density of oil times the acceleration of gravity times the height of the oil will be equal to the atmospheric pressure. Hurry the density of the water. Excuse me sometimes G times the heights of the water. And so we can, of course, cancel the emissary. Pressure out canceled G and we have that the density of the oil is that equaling the density of the water multiplied by the height of the water divided by the height of the oil and we can then solve. So this would be 1000 kilograms per cubic meter multiplied by point 272 meters minus 0.8 62 meters, divided by point 272 meters. And so we find that the density of the oil is equaling approximately 683 kilograms. Uh, cubic meter. This would be our final answer. That is the end of the solution. Thank you for watching

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