A U-shaped tube is open to the air at one end and closed on the other. It initially contains water. Oil is poured into the open end of the tube, to a height of 75 cm. The closed end of the tube is 25 cm above the water/oil interface on the other side (see picture).

A U-shaped tube is open to the air at one end and closed on the other. It initially contains water. Oil is poured into the open end of the tube, to a height of 75 cm. The closed end of the tube is 25 cm above the water/oil interface on the other side (see picture).

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

Section: Chapter Questions

Problem 17P: Mercury is poured into a U-tube as shown in Figure P15.17a. The left arm of the tube has...

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Concept explainers

Variation of pressure

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

Question

A U-shaped tube is open to the air at one end and closed on the other. It initially contains
water. Oil is poured into the open end of the tube, to a height of 75 cm. The closed end of
the tube is 25 cm above the water/oil interface on the other side (see picture).
Find the pressure at the closed end of the tube.
75cm
clused
Water ↑
25cm

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