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A rigid, lighter-than-air dirigible filled with helium

University Physics | 13th Edition | ISBN: 9780321675460 | Authors: Hugh D. Young, Roger A. Freedman ISBN: 9780321675460 31

Solution for problem 9DQ Chapter 12

University Physics | 13th Edition

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University Physics | 13th Edition | ISBN: 9780321675460 | Authors: Hugh D. Young, Roger A. Freedman

University Physics | 13th Edition

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Problem 9DQ

A rigid, lighter-than-air dirigible filled with helium cannot continue to rise indefinitely. Why? What determines the maximum height it can attain?

Step-by-Step Solution:
Step 1 of 3

Week 11: Air Quality 11.8.16 Composition ● Nitrogen (76%) Air Quality ● Many European cities do not meet world health organization air quality standards for at least one pollutant ● In the US, about a quarter of the population lives in areas that do not meet us air quality standards Smog ● A mixture of pollutants, principally ground-level ozone, produced by chemical reactions in the air involving smog-forming chemicals ● Formed by anthropogenic and/or natural sources ● Enters body through inhalation. Ozone is highly reactive (O3) reacts in your airways. Causes issues for asthmatics Temperature inversion ● An atmospheric condition during which a warm layer of air stalls above a layer of cool air that is closer to the surface of the earth ● Pollutants can build up in this warmer layer Health Effects of Air Pollution ● Some forms of cancer such as lung cancer and skin cancer ● Damage to vital tissues and organs, such as the nervous system ● Impairment of lung and breathing function ● Cardiovascular complications including heart attack have been suggested Environmental Impacts ● Causes property damage ● Reduces visibility in national parks ● Harms forests ● Harms lakes and other bodies of water ● Non-human receptors Lethal Air Pollution Episodes in History ● Meuse Valley in Belgium (1930) ○ Heavy industry, sulfur and fluoride gas (acid precursors); more than 60 acute deaths ● Donora, Pennsylvania (1948)

Step 2 of 3

Chapter 12, Problem 9DQ is Solved
Step 3 of 3

Textbook: University Physics
Edition: 13
Author: Hugh D. Young, Roger A. Freedman
ISBN: 9780321675460

University Physics was written by and is associated to the ISBN: 9780321675460. This textbook survival guide was created for the textbook: University Physics, edition: 13. Since the solution to 9DQ from 12 chapter was answered, more than 281 students have viewed the full step-by-step answer. The full step-by-step solution to problem: 9DQ from chapter: 12 was answered by , our top Physics solution expert on 05/06/17, 06:07PM. This full solution covers the following key subjects: air, attain, cannot, continue, determines. This expansive textbook survival guide covers 26 chapters, and 2929 solutions. The answer to “A rigid, lighter-than-air dirigible filled with helium cannot continue to rise indefinitely. Why? What determines the maximum height it can attain?” is broken down into a number of easy to follow steps, and 21 words.

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A rigid, lighter-than-air dirigible filled with helium