8. A U-shaped tube is closed at one end p, the other end is open to the atmosphere. There is a layer of oil h = 99 cm and ethyl alcohol h, = 33 cm above the water. The three liquids do not mix. The oil is a depth d = 33.5 cm below the closed end. What is the gauge pressure at the closed end, p3? PA Po ho P3 d Pw

8. A U-shaped tube is closed at one end p, the other end is open to the atmosphere. There is a layer of oil h = 99 cm and ethyl alcohol h, = 33 cm above the water. The three liquids do not mix. The oil is a depth d = 33.5 cm below the closed end. What is the gauge pressure at the closed end, p3? PA Po ho P3 d Pw

Name: 8.A U-shaped tube is closed at one end p,, the other end is open to t
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Description: 8.A U-shaped tube is closed at one end p,, the other end is open to the atmosphere. TherePlPAis a layer of oil h = 99 cm and ethyl alcohol h, = 33 cm above the water. The three liquids do notmix. The oil is a depth d = 33.5 cm below the closed end.

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter15: Fluid Mechanics

Section15.2: Variation Of Pressure With Depth

Problem 15.2QQ

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Concept explainers

Fluid Pressure

The term fluid pressure is coined as, the measurement of the force per unit area of a given surface of a closed container. It is a branch of physics that helps to study the properties of fluid under various conditions of force.

Gauge Pressure

Pressure is the physical force acting per unit area on a body; the applied force is perpendicular to the surface of the object per unit area. The air around us at sea level exerts a pressure (atmospheric pressure) of about 14.7 psi but this doesn’t seem to bother anyone as the bodily fluids are constantly pushing outwards with the same force but if one swims down into the ocean a few feet below the surface one can notice the difference, there is increased pressure on the eardrum, this is due to an increase in hydrostatic pressure.

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Question

8.
A U-shaped tube is closed at one end p,, the other end is open to the atmosphere. There
Pl
PA
is a layer of oil h = 99 cm and ethyl alcohol h, = 33 cm above the water. The three liquids do not
mix. The oil is a depth d = 33.5 cm below the closed end. What is the gauge pressure at the
closed end, p,?
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