Tutorials in Introductory Physics
1st Edition
ISBN: 9780130970695
Author: Peter S. Shaffer, Lillian C. McDermott
Publisher: Addison Wesley
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Chapter 12.1, Problem 1cT
Imagine that a small hole is opened in the container wall near the bottom of each layer.
1. Predict what will happen to the water near each hole. Explain.
2. Check your prediction by observing the demonstration. Record your observations. (Asketch may be helpful.)
What do your observations suggest about: (1) the existence of horizontal forces on thethree layers of water in pan A? (2) the relative magnitudes of the horizontal forces onthe three layers?
If necessary, revise your free-body diagrams in part A so that they are consistent withyour answers.
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1. The permeability constant for a vacuum is ų0, has a value of 4(pi)×10-7 Tm/A. Assuming the equation B=ų0nI applies to the Slinky, obtain a value of (pi) from your graphs, and compare with the 'theoretical' value.
2. Was your Slinky positioned along an east-west, north-south, or on some other axis? Will this have any effect on your readings?
A diagram for an open-tube manometer is shown below.
If the flask is open to the atmosphere, the mercury levels are equal. For each of the following situations where a gas is contained in the flask, calculate the pressure in the flask in torr, atmospheres, and pascals.
c. Calculate the pressures in the flask in parts a and b (in torr) if the atmospheric pressure is 635 torr.
Chapter 12 Solutions
Tutorials in Introductory Physics
Ch. 12.1 - For each layer, draw a free-body diagram in the...Ch. 12.1 - Imagine that a small hole is opened in the...Ch. 12.1 - Prob. 2aTCh. 12.1 - Suppose you wanted to determine the pressure at...Ch. 12.1 - Prob. 2cTCh. 12.1 - Prob. 2dTCh. 12.1 - Draw a freebody diagram for the small voulme of...Ch. 12.1 - Prob. 3bTCh. 12.1 - Use your answer to part B to compare the pressures...Ch. 12.1 - Prob. 3dT
Ch. 12.1 - Consider the following student dialogue: Student...Ch. 12.1 - Prob. 4aTCh. 12.1 - The right end of the tube is now scaled with a...Ch. 12.1 - A syringe is used to remove some water from the...Ch. 12.2 - A cubical block is observed to float in a beaker...Ch. 12.2 - Prob. 1bTCh. 12.2 - Imagine that you were to release the block from...Ch. 12.2 - In general, does the buoyant force on an object...Ch. 12.2 - By how much does the volume reading increase when...Ch. 12.2 - Does the volume of water displaced by a completely...Ch. 12.2 - Consider the following statement made by a...Ch. 12.2 - A rectangular block, A, is released from rest at...Ch. 12.2 - A second block, B,of the same size and shape as A...Ch. 12.2 - A third block, C, of the same size and shape as A...
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