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 2bT
Suppose you wanted to determine the pressure at the top surface of layer 1. Which force would you use to determine this pressure? If necessary, modify your free-body diagrams to include this force. Be sure to label your diagram to indicate the object that exerts this force.
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A chemistry graduate student is designing a pressure vessel for an experiment. The vessel will contain gases at pressures up to 220.0 MPa.
The student's design calls for an observation port on the side of the vessel (see diagram below). The bolts that hold the cover of this port onto
the vessel can safely withstand a force of 10.00 MN.
pressure vessel
bolts
alo
W
Ar
side
view
port
Calculate the maximum safe diameter w of the port. Round your answer to the nearest 0.1 cm.
cm
x1
Explanation
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This value is the atmospheric pressure; because that is the pressure you feel when one atmosphere is on top
of you.
Where do you think the atmospheric pressure is the least?
E Denver, CO (1609 m above sea level)
E Death Valley, CA (86 meters below sea level)
B Ocean City, NJ (0 meters above sea level)
2 Hillsborough, NJ (45 meters above sea level)
Explain your response:
Part II: Gauge pressure, Absolute Pressure, and atms
Consider the pressure on a shot putter's hand as he throws the heavy shot.
a. Calculate the average pressure, in newtons per square meter, exerted on the palm of a shotputter’s hand by the shot if the area of contact is 49.5cm2 and he exerts a force of 790 N on it.
b. What is the ratio of this pressure to the atmospheric pressure?
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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- What is the gas pressure inside the box shown in the figure? Use ρHg = 13600 kg/m^3 .arrow_forwardA chemistry graduate student is designing a pressure vessel for an experiment. The vessel will contain gases at pressures up to 450.0 MPa. The student's design calls for an observation port on the side of the vessel (see diagram below). The bolts that hold the cover of this port onto the vessel can safely withstand a force of 4.50 MN. pressure vessel bolts do Ar side view port Calculate the maximum safe diameter w of the port. Round your answer to the nearest 0.1 cm. cm Ox10 Explanation Check 2021 McGraw-Hill Education. All Rights Reserved. Terms of Use | Privacy Accessibility Activity Details MacBook Air 4> F19 80 888 FB F7 F6 F4 F5 F2 F3 F1 & 云 %24 %23arrow_forwardWhat to do: Consider the two identical blocks with the same mass shown below and answer the questions that follow. Write your answers in a separate sheet of paper. B A Guide questions: 1. Which block exerts greater force on the surface? Why? 2. Which block has greater area of contact with the surface? 3. Which block exerts greater pressure? Why?arrow_forward
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