College Physics
OER 2016 Edition
ISBN: 9781947172173
Author: OpenStax
Publisher: OpenStax College
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Textbook Question
Chapter 12, Problem 2CQ
Many figures in the text show streamlines. Explain why fluid velocity is greatest where streamlines are closest together. (Hint: Consider the relationship between fluid velocity and the cross-sectional area through which it flows.)
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Students have asked these similar questions
1. An ideal gas is taken through a four process cycle abcda. State a has a pressure of 498,840 Pa. Complete the tables
and plot/label all states and processes on the PV graph. Complete the states and process diagrams on the last page.
Also, provide proper units for each column/row heading in the tables.
Pressure (Pa)
500,000
450,000
400,000
350,000
300,000
250,000
200,000
150,000
100,000
Process
ab
bc
cd
da
States
P( )
V( )
50,000
0
0.000
T = 500 K
T= 200 K
0.001
0.002
0.003
0.004
0.005
Volume (m^3)
Nature of Process
isothermal expansion to Vb = 0.005 m³ (T = 500 K)
isometric
isothermal compression to V₁ = 0.003 m³ (T = 200 K)
adiabatic compression to VA = 0.001 m³
b
C
a
T()
U ( )
Processes
a-b
Q( )
+802.852
W()
AU ( )
b-c
c→d
+101.928
da
Cycle
Plz no chatgpt I
A = 45 kN
a = 60°
B = 20 kN
ẞ = 30°
Problem:M1.1
You and your friends are on an archaeological adventure and are trying to disarm an ancient trap to do so you
need to pull a log straight out of a hole in a wall. You have 1 rope that you can attach to the log and there are
currently 2 other ropes and weights attached to the end of the log. You
know the force and direction of the ropes currently attached are arranged
as shown below what is the magnitude and direction 'e' of the minimum
force you need to apply to the third rope for the force on the log to be in
direction of line 'a'? What is the resultant force in direction 'a'?
a
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Chapter 12 Solutions
College Physics
Ch. 12 - What is the difference between flow rate and fluid...Ch. 12 - Many figures in the text show streamlines. Explain...Ch. 12 - Identify some substances that are incompressible...Ch. 12 - You can squirt water a considerably greater...Ch. 12 - Water is shot nearly vertically upward in a...Ch. 12 - Look back to Figure 12.4. Answer the following two...Ch. 12 - Give an example of entrainment not mentioned in...Ch. 12 - Prob. 8CQCh. 12 - Some chimney pipes have a T-shape, with a...Ch. 12 - Is there a limit to the height to which an...
Ch. 12 - Why is it preferable for airplanes to take off...Ch. 12 - Roofs are sometimes pushed off vertically during a...Ch. 12 - Why does a sailboat need a keel?Ch. 12 - It is dangerous to stand close to railroad tracks...Ch. 12 - Water pressure inside a hose nozzle can be less...Ch. 12 - Prob. 16CQCh. 12 - If you lower the window on a car while moving, an...Ch. 12 - Based on Bernoulli's equation, what are three...Ch. 12 - Water that has emerged from a hose into the...Ch. 12 - Prob. 20CQCh. 12 - Water pressure inside a hose nozzle can be less...Ch. 12 - Explain why the viscosity of a liquid decreases...Ch. 12 - When paddling a canoe upstream, it is wisest to...Ch. 12 - Why does flow decrease in your shower when someone...Ch. 12 - Prob. 25CQCh. 12 - Doppler ultrasound can be used to the speed of...Ch. 12 - Prob. 27CQCh. 12 - Some ceiling fans have decorative wicker reeds on...Ch. 12 - What direction will a helium balloon move inside a...Ch. 12 - Will identical raindrops fall more rapidly in 5° C...Ch. 12 - If you took two marbles of different sizes, what...Ch. 12 - Why would you expect the rate of diffusion to...Ch. 12 - How are osmosis and dialysis similar? 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