The Physics of Everyday Phenomena
8th Edition
ISBN: 9780073513904
Author: W. Thomas Griffith, Juliet Brosing Professor
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 1, Problem 4CQ
If the amount of carbon dioxide in the atmosphere is increasing with time, should we expect an increase in the average global temperature? Explain.
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5) In the Swiss Alps, the air pressure is relatively low due to the high elevation.
Assuming an air pressure of 75 kPa and a temperature of 4°C, how many air
molecules will there be in a 1 liter (10-3 m³) bottle?
a) 1 x 1022
b) 2x 1022
c) 3 x 1022
d) 4 x 1022
e)
5 x 1022
f)
6 × 1022
6) An alphorn plays a sustained tone at 29 Hz. A second, smaller alphorn produces 120 beats per minutes when
played with the 29 Hz instrument. What is the frequency of this second alphorn?
a) 2 Hz
b) 27 Hz
c) 29 Hz
d) 31 Hz
e)
120 Hz
f)
149 Hz
Short Answer Question
Model an alphorn as an open-closed pipe with a first harmonic (m=1) frequency of 29 Hz.
. Sketch the first (m=1) harmonic showing it at two different times.
⚫ Determine the wavelength (in m) of the first harmonic.
. What is the length of the pipe (in m)?
⚫ Calculate the frequency (in Hz) of the next two harmonics.
One proposed method of mitigating climate change is the planting of large numbers
of trees. How would this reduce the problem of global warming?
Trees reflect additional sunlight back into space before it strikes the ground,
reducing the global temperature.
Trees absorb carbon dioxide, reducing the amount of carbon dioxide in the
atmosphere and thereby reducing the greenhouse effect.
Trees prevent soil erosion, and soil erosion contributes to the greenhouse effect.
Trees release water vapor into the atmosphere, increasing the cloud cover and
reducing the global temperature.
The following data are given for the pressure and temperature variation in air
as a function of elevation:
Elevation in [m]
0.
Temperature in [°C]_pressure [atm]
28
1.
1000.
25
0.796
2000.
19
0.6314
3000.
12
0.4982
4000.
3
0.3905
5000.
-1
0.3043
6000.
11
0.2356
You want to check if these measurements are correct. You are going to use a
balloon and rise in the corresponding altitudes. If the balloon weighs 1000kg
(all included, weight of yourself, equipment, inflated part etc) calculate the
volume of inflated part of the balloon, so that the initial acceleration is
15m/s?. Assume that the balloon is a sphere and neglect the deflated part of
the balloon as far as volume is concerned. Can you verify all measurements
with this volume of the balloon? What kind of adjustments do you need to
make in order to complete your mission?
Chapter 1 Solutions
The Physics of Everyday Phenomena
Ch. 1 - Prob. 1CQCh. 1 - Do trees and other green plants have any impact on...Ch. 1 - Since burning wood releases carbon dioxide to the...Ch. 1 - If the amount of carbon dioxide in the atmosphere...Ch. 1 - Has the burning of fossil fuels been taking place...Ch. 1 - Does the use of nuclear power significantly...Ch. 1 - Which of these criteria best distinguish between...Ch. 1 - Prob. 8CQCh. 1 - Historians sometimes develop theories to explain...Ch. 1 - Over the years, there have been several credible...
Ch. 1 - Prob. 11CQCh. 1 - Prob. 12CQCh. 1 - Suppose that a friend states the hypothesis that...Ch. 1 - Which of the three science fieldsbiology,...Ch. 1 - Based upon the brief descriptions provided in...Ch. 1 - Prob. 16CQCh. 1 - Suppose you are told that speed is defined by the...Ch. 1 - Impulse is defined as the average force acting on...Ch. 1 - Prob. 19CQCh. 1 - What are the primary advantages of the metric...Ch. 1 - What are the advantages, if any, of continuing to...Ch. 1 - Which system of units, the metric system or...Ch. 1 - The width of a mans hand was used as a common unit...Ch. 1 - A pirate map indicates that a treasure is buried...Ch. 1 - List the following volumes in descending order:...Ch. 1 - List the following lengths in descending order:...Ch. 1 - Prob. 1ECh. 1 - Prob. 2ECh. 1 - Prob. 3ECh. 1 - Prob. 4ECh. 1 - Prob. 5ECh. 1 - Prob. 6ECh. 1 - Prob. 7ECh. 1 - Prob. 8ECh. 1 - A mile is 5280 ft long. The sample exercise in...Ch. 1 - If a mile is 5280 ft long and a yard contains 3...Ch. 1 - Prob. 11ECh. 1 - Prob. 12ECh. 1 - Prob. 13ECh. 1 - Prob. 14ECh. 1 - Prob. 15ECh. 1 - Prob. 16ECh. 1 - Prob. 2SPCh. 1 - Prob. 3SP
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