Conceptual Physics: The High School Physics Program

9th Edition

ISBN: 9780133647495

Author: Paul G. Hewitt

Publisher: Prentice Hall

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Textbook Question

Chapter 22, Problem 2A

Why does a piece of room-temperature metal feel cooler to the touch than paper, wood, or cloth?

Expert Solution & Answer

To determine

To Explain: The reason for piece of metal in room temperature feels cooler to the touch than paper, wood, or cloth.

Answer to Problem 2A

Because of the conducting nature of metal.

Explanation of Solution

Introduction:

A metal is a conductor thatis able to transfer the heat. But, paper, wood, cloth are insulators and hence do not transfer heat.

When a metal is touched, it feels cooler because it is a good conductor of heat. Paper, cloth and woodare poor conductors of heat so they cannot feel to be cool on touching. The metal can take the heat of the body while touching and transfer to the other region.

Conclusion:

Hence, a piece of metal at room temperature feels cooler to the touch than paper, wood, or cloth.

Chapter 22, Problem 1A

Chapter 22, Problem 3A

Chapter 22 Solutions

Conceptual Physics: The High School Physics Program

Ch. 22 - What is the role of 'loose' electrons in heat...Ch. 22 - Why does a piece of room-temperature metal feel...Ch. 22 - What is the difference between a conductor and an...Ch. 22 - Why are materials such as wood, fur, feathers, and...Ch. 22 - Prob. 5A Ch. 22 - How does Archimedes' principle relate to...Ch. 22 - Why does the direction of coastal winds change...Ch. 22 - How does the temperature of a gas change when it...Ch. 22 - Prob. 9A Ch. 22 - What is radiant energy?

Ch. 22 - How does the predominant frequency of radiant...Ch. 22 - Is a good absorber of radiation a good emitter or...Ch. 22 - Which will normally cool faster, a black pot of...Ch. 22 - Why does a good absorber of radiant energy appear...Ch. 22 - Prob. 15A Ch. 22 - Which will undergo the greater rate of cooling, a...Ch. 22 - Does Newtons law of cooling apply to warming as...Ch. 22 - What is terrestrial radiation?Ch. 22 - Solar radiant energy is composed of short waves,...Ch. 22 - Prob. 20A Ch. 22 - At what common temperature will both a block of...Ch. 22 - If you stick a metal rod in a snowbank, the end in...Ch. 22 - Wood is a better insulator than glass. Yet...Ch. 22 - Visit a snow-covered cemetery and note that the...Ch. 22 - Wood is a poor conductor, which means that heat is...Ch. 22 - When a space shuttle is in orbit and there appears...Ch. 22 - A friend says that, in a mixture of gases in...Ch. 22 - A friend says that, in a mixture of gases in...Ch. 22 - In a mixture of hydrogen and oxygen gases at the...Ch. 22 - Which atoms have the greater average speed in a...Ch. 22 - Notice that a desk lamp often has small holes near...Ch. 22 - Turn an incandescent lamp on and off quickly while...Ch. 22 - In Montana, the state highway department spreads...Ch. 22 - Suppose that a person at a restaurant is served...Ch. 22 - Will a can of beverage cool just as fast in the...Ch. 22 - Prob. 36A Ch. 22 - If you wish to save fuel on a cold day, and you're...Ch. 22 - Why is whitewash sometimes applied to the glass of...Ch. 22 - If the composition of the upper atmosphere were...Ch. 22 - An automobile cooling system holds 12 liters of...Ch. 22 - Prob. 41A Ch. 22 - Decay of radioactive isotopes of thorium and...Ch. 22 - In a lab you burn a 0.6-g peanut beneath 50 g of...Ch. 22 - Pounding a nail into wood makes the nail warmer....Ch. 22 - At a certain location, the solar power per unit...Ch. 22 - Hold the bottom end of a test tube full of cold...Ch. 22 - If you live where there is snow, do as Benjamin...Ch. 22 - Wrap a piece of paper around a thick metal bar and...

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