Problems and Solutions Manual

GLENCOE

PHYSICS

Principles and Problems

Problems and Solutions Manual

GLENCOE

PHYSICS

Principles and Problems

Student Edition Teacher Wraparound Edition Teacher Classroom Resources

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Copyright ? by the McGraw-Hill Companies, Inc. All rights reserved. Permission is granted to reproduce the material contained herein on the condition that such material be reproduced only for classroom use; be provided to students, teachers, and families without charge; and be used solely in conjunction with the Physics: Principles and Problems program. Any other reproduction, for use or sale, is prohibited without prior written permission of the publisher.

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1 2 3 4 5 6 7 8 9 024 07 06 05 04 03 02 01

Contents

To the Teacher . . . . . . . . . . . . . . . . . . . . . . . . iv

Title

Page

1 What is physics? . . . . . . . . . . . . . . . . . . . .1 Chapter Review Problems . . . . . . . . . . . . .1

2 A Mathematical Toolkit . . . . . . . . . . . . . . .2 Practice Problems . . . . . . . . . . . . . . . . . . .2 Chapter Review Problems . . . . . . . . . . . . .6

3 Describing Motion . . . . . . . . . . . . . . . . .12 Practice Problems . . . . . . . . . . . . . . . . . .12 Chapter Review Problems . . . . . . . . . . . .12

4 Vector Addition . . . . . . . . . . . . . . . . . . . .15 Practice Problems . . . . . . . . . . . . . . . . . .15 Chapter Review Problems . . . . . . . . . . . .18

5 A Mathematical Model of Motion . . . . .23 Practice Problems . . . . . . . . . . . . . . . . . .23 Chapter Review Problems . . . . . . . . . . . .30

6 Forces . . . . . . . . . . . . . . . . . . . . . . . . . . .46 Practice Problems . . . . . . . . . . . . . . . . . .46 Chapter Review Problems . . . . . . . . . . . .49

7 Forces and Motion in Two Dimensions . .55 Practice Problems . . . . . . . . . . . . . . . . . .55 Chapter Review Problems . . . . . . . . . . . .60

8 Universal Gravitation . . . . . . . . . . . . . . .68 Practice Problems . . . . . . . . . . . . . . . . . .68 Chapter Review Problems . . . . . . . . . . . .71

9 Momentum and Its Conservation . . . . . .78 Practice Problems . . . . . . . . . . . . . . . . . .78 Chapter Review Problems . . . . . . . . . . . .84

10 Energy, Work, and Simple Machines . . . .94 Practice Problems . . . . . . . . . . . . . . . . . .94 Chapter Review Problems . . . . . . . . . . . .96

11 Energy . . . . . . . . . . . . . . . . . . . . . . . . . .106 Practice Problems . . . . . . . . . . . . . . . . .106 Chapter Review Problems . . . . . . . . . . .111

12 Thermal Energy . . . . . . . . . . . . . . . . . . .121 Practice Problems . . . . . . . . . . . . . . . . .121 Chapter Review Problems . . . . . . . . . . .124

13 States of Matter . . . . . . . . . . . . . . . . . . .128 Practice Problems . . . . . . . . . . . . . . . . .128 Chapter Review Problems . . . . . . . . . . .130

14 Waves and Energy Transfer . . . . . . . . . .134 Practice Problems . . . . . . . . . . . . . . . . .134 Chapter Review Problems . . . . . . . . . . .135

15 Sound . . . . . . . . . . . . . . . . . . . . . . . . . .139 Practice Problems . . . . . . . . . . . . . . . . .139 Chapter Review Problems . . . . . . . . . . .140

16 Light . . . . . . . . . . . . . . . . . . . . . . . . . . .146 Practice Problems . . . . . . . . . . . . . . . . .146 Chapter Review Problems . . . . . . . . . . .147

17 Reflection and Refraction . . . . . . . . . . .150 Practice Problems . . . . . . . . . . . . . . . . .150 Chapter Review Problems . . . . . . . . . . .151

18 Mirrors and Lenses . . . . . . . . . . . . . . . .158 Practice Problems . . . . . . . . . . . . . . . . .158 Chapter Review Problems . . . . . . . . . . .161

19 Diffraction and Interference of Light . .165 Practice Problems . . . . . . . . . . . . . . . . .165 Chapter Review Problems . . . . . . . . . . .166

20 Static Electricity . . . . . . . . . . . . . . . . . . .170 Practice Problems . . . . . . . . . . . . . . . . .170 Chapter Review Problems . . . . . . . . . . .171

21 Electric Fields . . . . . . . . . . . . . . . . . . . .177 Practice Problems . . . . . . . . . . . . . . . . .177 Chapter Review Problems . . . . . . . . . . .179

22 Current Electricity . . . . . . . . . . . . . . . . .185 Practice Problems . . . . . . . . . . . . . . . . .185 Chapter Review Problems . . . . . . . . . . .188

Physics: Principles and Problems

iii

23 Series and Parallel Circuits . . . . . . . . . .194 Practice Problems . . . . . . . . . . . . . . . . .194 Chapter Review Problems . . . . . . . . . . .196

24 Magnetic Fields . . . . . . . . . . . . . . . . . . .202 Practice Problems . . . . . . . . . . . . . . . . .202 Chapter Review Problems . . . . . . . . . . .203

25 Electromagnetic Induction . . . . . . . . . . .210 Practice Problems . . . . . . . . . . . . . . . . .210 Chapter Review Problems . . . . . . . . . . .212

26 Electromagnetism . . . . . . . . . . . . . . . . .216 Practice Problems . . . . . . . . . . . . . . . . .216 Chapter Review Problems . . . . . . . . . . .217

27 Quantum Theory . . . . . . . . . . . . . . . . .222 Practice Problems . . . . . . . . . . . . . . . . .222 Chapter Review Problems . . . . . . . . . . .223

28 The Atom . . . . . . . . . . . . . . . . . . . . . . .228 Practice Problems . . . . . . . . . . . . . . . . .228 Chapter Review Problems . . . . . . . . . . .229

29 Solid State Electronics . . . . . . . . . . . . . .234 Practice Problems . . . . . . . . . . . . . . . . .234 Chapter Review Problems . . . . . . . . . . .235

30 The Nucleus . . . . . . . . . . . . . . . . . . . . .238 Practice Problems . . . . . . . . . . . . . . . . .238 Chapter Review Problems . . . . . . . . . . .240

31 Nuclear Applications . . . . . . . . . . . . . . .243 Practice Problems . . . . . . . . . . . . . . . . .243 Chapter Review Problems . . . . . . . . . . .245

Appendix B Extra Practice Problems . . . . . .249

Appendix D Additional Topics in Physics . .331

To the

Teacher

The Problems and Solutions Manual is a supplement of Glencoe's Physics: Principles and Problems. The manual is a comprehensive resource of all student text problems and solutions. Practice Problems follow most Example Problems. Answers to these problems are found in the margin of the Teacher Wraparound Edition. Complete solutions to these problems are available to the student in Appendix C of the student text. Chapter Review Problem and Critical Thinking Problem answers are found in the margins of the Teacher Wraparound Edition. Each Practice Problem, Chapter Review Problem, and Critical Thinking Problem with the solution is restated in this manual. Complete solutions for the Extra Practice Problems in Appendix B, as well as solutions for the Additional Topics in Physics in Appendix D, can be found at the end of this manual.

iv

Physics: Principles and Problems

1 What is physics?

No Practice Problems.

Critical Thinking Problems

page 13 11. It has been said that a fool can ask more

questions than a wise man can answer. In science, it is frequently the case that a wise man is needed to ask the right question rather than to answer it. Explain.

Both asking a question and answering a question are important. Often, however, the training, experience, and imagination necessary to know just what question to ask have provided the insight necessary to find the answer.

Copyright ? by Glencoe/McGraw-Hill

Physics: Principles and Problems

Problems and Solutions Manual 1

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