Conceptual Physics: The High School Physics Program
Conceptual Physics: The High School Physics Program
9th Edition
ISBN: 9780133647495
Author: Paul G. Hewitt
Publisher: Prentice Hall
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Chapter 20, Problem 33A

How would the density of air at the bottom of a deep mine shaft compare to the density of the atmosphere at the surface of the ground?

Expert Solution & Answer
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To determine

To compare: The density of air at the bottom of a deep mine shaft compared to the density of the atmosphere at the surface of the ground.

Answer to Problem 33A

The air at the bottom of a deep mine shaft is denser.

Explanation of Solution

Introduction:

With the decreasing depth, the pressure is more exerted on the surrounding air.

The air at the bottom of a deep mine shaft is deep underground and has a lesser volume of air. Since the air is highly compressed with the depth. The more depth increases, the more pressure is exerted on the air.

Conclusion:

Thus, the air is denser at the bottom of a deep mine shaft.

Chapter 20 Solutions

Conceptual Physics: The High School Physics Program

Ch. 20 - The atmosphere does not ordinarily crush cans. Yet...Ch. 20 - What property of atmospheric pressure is used by...Ch. 20 - When air is compressed, what happens to its...Ch. 20 - A piston in an airtight pump is withdrawn so that...Ch. 20 - When you squeeze an air-filled toy balloon to half...Ch. 20 - a. How much buoyant force acts on a 1-N balloon...Ch. 20 - When the speed of a fluid flowing in a horizontal...Ch. 20 - Prob. 18ACh. 20 - In addition to Bernoullis principle, what other...Ch. 20 - Why does a spinning ball curve in flight?Ch. 20 - Calculate the density of a gas with a mass of 4.29...Ch. 20 - Calculate the density of a gas with a mass of...Ch. 20 - An inflated balloon has internal pressure P1. Use...Ch. 20 - Use Boyles law to calculate the pressure on the...Ch. 20 - Calculate the lift on a model airplane wing with...Ch. 20 - We can understand how pressure in water depends on...Ch. 20 - Prob. 27ACh. 20 - Which would weigh more—a bottle filled with...Ch. 20 - Prob. 29ACh. 20 - From Table 20.1, which filling would be more...Ch. 20 - A helium-filled balloon pulls upward on its...Ch. 20 - Prob. 32ACh. 20 - How would the density of air at the bottom of a...Ch. 20 - Atmospheric pressure is nicely demonstrated with...Ch. 20 - Relative to sea level, would it be slightly more...Ch. 20 - If there were a liquid twice as dense as mercury,...Ch. 20 - Before boarding an airplane, you buy a bag of...Ch. 20 - Why do you suppose that airplane windows are...Ch. 20 - Why do your ears pop' when you ascend to higher...Ch. 20 - Prob. 40ACh. 20 - When you squeeze an air-filled toy balloon, its...Ch. 20 - Prob. 42ACh. 20 - It is easy to breathe when snorkeling with only...Ch. 20 - Prob. 44ACh. 20 - a. Would a balloon rise in an atmosphere where the...Ch. 20 - The buoyant force of air is considerably greater...Ch. 20 - Why is it that when cars pass each other at high...Ch. 20 - In a department store, an air stream from a hose...Ch. 20 - What physics principle underlies the following...Ch. 20 - Prob. 50ACh. 20 - The diameter of a fire hose varies with the flow...Ch. 20 - You overhear a conversation between two physics...Ch. 20 - Explain how an airplane is able to fly upside...Ch. 20 - A typical school gym is about 60.0m30.0m10.0m....Ch. 20 - The 'height' of the atmosphere is about 30 km. The...Ch. 20 - Prob. 56ACh. 20 - Average atmospheric pressure at Earths surface is...Ch. 20 - A party balloon is squeezed to 2/3 of its initial...Ch. 20 - An automobile is supported by four tires inflated...Ch. 20 - Prob. 60ACh. 20 - A mercury barometer reads 760 mm at sea level....Ch. 20 - Prob. 62ACh. 20 - Referring to the previous problem, find the volume...Ch. 20 - In 1982 Larry Walters ascended from his home in...Ch. 20 - How many newtons of lift are exerted on the wings...Ch. 20 - Try this in the bathtub or while washing dishes....Ch. 20 - Place a card over the open top of a glass filled...Ch. 20 - Fill a bottle with water and hold it partially...Ch. 20 - Hold a spoon in a stream of water, as shown....
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