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Physics for scientists and engineers
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1st Pass Pages
1019763_FM_VOL-I.qxp 9/17/07 4:22 PM Page viii
Prefixes for Powers of 10*
Multiple Prefix Abbreviation
1024 yotta Y
1021 zetta Z
1018 exa E
1015 peta P
1012 tera T
109 giga G
106 mega M
103 kilo k
102 hecto h
101 deka da
101 deci d
102 centi c
103 milli m
106 micro m
109 nano n
1012 pico p
1015 femto f
1018 atto a
1021 zepto z
1024 yocto y
* Commonly used prefixes are in bold. All prefixes are pronounced with the
accent on the first syllable.
Alpha a
Beta b
Gamma g
Delta d
Epsilon e, e
Zeta z
Eta h
Theta u
Iota
i
Kappa k
Lambda l
Mu m
Nu n
Xi j
Omicron o
Pi p
Rho r
Sigma s
Tau t
Upsilon y
Phi f
Chi x
Psi c
Omega v
The Greek Alphabet
Terrestrial and Astronomical Data*
Acceleration of gravity g 9.81 m/s2 32.2 ft/s2
at Earth’s surface
Radius of Earth RE RE 6371 km 3959 mi
Mass of Earth ME 5.97 1024 kg
Mass of the Sun 1.99 1030 kg
Mass of the moon 7.35 1022 kg
Escape speed 11.2 km/s 6.95 mi/s
at Earth’s surface
Standard temperature and 0°C 273.15 K
pressure (STP) 1 atm 101.3 kPa
Earth–moon distance† 3.84 108 m 2.39 105 mi
Earth–Sun distance (mean)† 1.50 1011 m 9.30 107 mi
Speed of sound in dry air (at STP) 331 m/s
Speed of sound in dry air 343 m/s
(20°C, 1 atm)
Density of dry air (STP) 1.29 kg/m3
Density of dry air (20°C, 1 atm) 1.20 kg/m3
Density of water (4°C, 1 atm) 1000 kg/m3
Heat of fusion of water (0°C, 1 atm) Lf 333.5 kJ/kg
Heat of vaporization of water Lv 2.257 MJ/kg
(100°C, 1 atm)
* Additional data on the solar system can be found in Appendix B and at
http://nssdc.gsfc.nasa.gov/planetary/planetfact.html.
† Center to center.
Mathematical Symbols
is equal to
is defined by
is not equal to
is approximately equal to
is of the order of
is proportional to
is greater than
is greater than or equal to
is much greater than
! is less than
" is less than or equal to
!! is much less than
x change in x
dx differential change in x
x absolute value of x
magnitude of
n! n(n 1)(n 2)…1
sum
lim limit
t → 0 t approaches zero
derivative of x with
respect to t
partial derivative of x
with respect to t
f(x)dx definite integral
F(x) F(x2) F(x1 ` )
x2
x1
x2
x1
#x
#t
dx
dt
v
S v
S
Abbreviations for Units
A ampere
Å angstrom (1010 m)
atm atmosphere
Btu British thermal unit
Bq becquerel
C coulomb
°C degree Celsius
cal calorie
Ci curie
cm centimeter
dyn dyne
eV electron volt
°F degree Fahrenheit
fm femtometer, fermi (1015 m)
ft foot
Gm gigameter (109 m)
G gauss
Gy gray
g gram
H henry
h hour
Hz hertz
in inch
J joule
K kelvin
kg kilogram
km kilometer
keV kilo-electron volt
lb pound
L liter
m meter
MeV mega-electron volt
Mm megameter (106 m)
mi mile
min minute
mm millimeter
ms millisecond
N newton
nm nanometer (109 m)
pt pint
qt quart
rev revolution
R roentgen
Sv seivert
s second
T tesla
u unified mass unit
V volt
W watt
Wb weber
y year
yd yard
mm micrometer (106 m)
ms microsecond
mC microcoulomb
ohm
Some Conversion Factors
Length
1 m 39.37 in 3.281 ft 1.094 yd
1 m 1015 fm 1010 Å 109 nm
1 km 0.6214 mi
1 mi 5280 ft 1.609 km
1 lightyear 1 c y 9.461 1015 m
1 in 2.540 cm
Volume
1 L 103 cm3 103 m3 1.057 qt
Time
1 h 3600 s 3.6 ks
1 y 365.24 d 3.156 107 s
Speed
1 km/h 0.278 m/s 0.6214 mi/h
1 ft/s 0.3048 m/s 0.6818 mi/h
Angle–angular speed
1 rev 2p rad 360°
1 rad 57.30°
1 rev/min 0.1047 rad/s
Force–pressure
1 N 105 dyn 0.2248 lb
1 lb 4.448 N
1 atm 101.3 kPa 1.013 bar 76.00 cmHg 14.70 lb/in2
Mass
1 u [(103 mol1
)/NA] kg 1.661 1027 kg
1 tonne 103 kg 1 Mg
1 slug 14.59 kg
1 kg weighs about 2.205 lb
Energy–power
1 J 107 erg 0.7376 ft lb 9.869 103 L atm
1 kW h 3.6 MJ
1 cal 4.184 J 4.129 102 L atm
1 L atm 101.325 J 24.22 cal
1 eV 1.602 1019 J
1 Btu 778 ft lb 252 cal 1054 J
1 horsepower 550 ft lb/s 746 W
Thermal conductivity
1 W/(m K) 6.938 Btu in/(h ft2 °F)
Magnetic field
1 T 104 G
Viscosity
1 Pa s 10 poise #
####
#
#
#
#
#
# #
#
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SIXTH EDITION
WITH MODERN PHYSICS
W. H. Freeman and Company • New York
Paul A. Tipler
Gene Mosca
PHYSICS FOR
SCIENTISTS
AND ENGINEERS
Publisher: Susan Finnemore Brennan
Executive Editor: Clancy Marshall
Marketing Manager: Anthony Palmiotto
Senior Developmental Editor: Kharissia Pettus
Media Editor: Jeanette Picerno
Editorial Assistants: Janie Chan, Kathryn Treadway
Photo Editor: Ted Szczepanski
Photo Researcher: Dena Digilio Betz
Cover Designer: Blake Logan
Text Designer: Marsha Cohen/Parallelogram Graphics
Senior Project Editor: Georgia Lee Hadler
Copy Editors: Connie Parks, Trumbull Rogers
Illustrations: Network Graphics
Illustration Coordinator: Bill Page
Production Coordinator: Susan Wein
Composition: Preparé Inc.
Printing and Binding: RR Donnelly
Library of Congress Control Number: 2007010418
ISBN-10: 0-7167-8964-7 (Extended, Chapters 1–41, R)
ISBN-13: 978-0-7167-8964-2
ISBN-10: 1-4292-0132-0 (Volume 1, Chapters 1–20, R)
ISBN-10: 1-4292-0133-9 (Volume 2, Chapters 21–33)
ISBN-10: 1-4292-0134-7 (Volume 3, Chapters 34–41)
ISBN-10: 1-4292-0124-X (Standard, Chapters 1–33, R)
© 2008 by W. H. Freeman and Company
All rights reserved.
Printed in the United States of America
Second printing
W. H. Freeman and Company
41 Madison Avenue
New York, NY 10010
Houndmills, Basingstoke
RG21 6XS, England
www.whfreeman.com
PT: For Claudia
GM: For Vivian
1 Measurement and Vectors / 1
PART I MECHANICS
2 Motion in One Dimension / 27
3 Motion in Two and Three Dimensions / 63
4 Newton’s Laws / 93
5 Additional Applications of Newton’s Laws / 127
6 Work and Kinetic Energy / 173
7 Conservation of Energy / 201
8 Conservation of Linear Momentum / 247
9 Rotation / 289
10 Angular Momentum / 331
R Special Relativity / R-1
11 Gravity / 363
12 Static Equilibrium and Elasticity / 397
13 Fluids / 423
PART II OSCILLATIONS AND WAVES
14 Oscillations / 457
15 Traveling Waves / 495
16 Superposition and Standing Waves / 533
PART III THERMODYNAMICS
17 Temperature and Kinetic Theory of Gases / 563
18 Heat and the First Law of Thermodynamics / 591
19 The Second Law of Thermodynamics / 629
20 Thermal Properties and Processes / 665
Contents in Brief
Thinkstock/Alamy
vii
PART IV ELECTRICITY AND MAGNETISM
21 The Electric Field I: Discrete Charge Distributions / 693
22 The Electric Field II: Continuous Charge Distributions / 727
23 Electric Potential / 763
24 Capacitance / 801
25 Electric Current and Direct-Current Circuits / 839
26 The Magnetic Field / 887
27 Sources of the Magnetic Field / 917
28 Magnetic Induction / 959
29 Alternating-Current Circuits / 995
30 Maxwell’s Equations and Electromagnetic Waves / 1029
PART V LIGHT
31 Properties of Light / 1055
32 Optical Images / 1097
33 Interference and Diffraction / 1141
PART VI MODERN PHYSICS: QUANTUM
MECHANICS, RELATIVITY, AND
THE STRUCTURE OF MATTER
34 Wave-Particle Duality and Quantum Physics / 1173
35 Applications of the Schrödinger Equation / 1203
36 Atoms / 1227
37 Molecules / 1261
38 Solids / 1281
39 Relativity / 1319
40 Nuclear Physics / 1357
41 Elementary Particles and the Beginning
of the Universe / 1389
APPENDICES
A SI Units and Conversion Factors / AP-1
B Numerical Data / AP-3
C Periodic Table of Elements / AP-6
Math Tutorial / M-1
Answers to Odd-Numbered End-of-Chapter Problems / A-1
Index / I-1
viii Contents in Brief
Preface xvii
About the Authors xxxii
* optional material
Chapter 1
MEASUREMENT AND VECTORS / 1
1-1 The Nature of Physics 2
1-2 Units 3
1-3 Conversion of Units 6
1-4 Dimensions of Physical Quantities 7
1-5 Significant Figures and Order of Magnitude 8
1-6 Vectors 14
1-7 General Properties of Vectors 14
Physics Spotlight:
The 2005 Leap Second / 21
Summary 22
Problems 23
PART I MECHANICS
Chapter 2
MOTION IN ONE DIMENSION / 27
2-1 Displacement, Velocity, and Speed 28
2-2 Acceleration 35
2-3 Motion with Constant Acceleration 37
2-4 Integration 47
Physics Spotlight:
Linear Accelerators / 51
Summary 52
Problems 53
Chapter 3
MOTION IN TWO AND THREE
DIMENSIONS / 63
3-1 Displacement, Velocity, and Acceleration 64
3-2 Special Case 1: Projectile Motion 71
3-3 Special Case 2: Circular Motion 78
Physics Spotlight:
GPS: Vectors Calculated While
You Move / 82
Summary 83
Problems 84
Chapter 4
NEWTON’S LAWS / 93
4-1 Newton’s First Law: The Law of Inertia 94
4-2 Force and Mass 95
4-3 Newton’s Second Law 97
4-4 The Force Due to Gravity: Weight 99
4-5 Contact Forces: Solids, Springs, and Strings 101
4-6 Problem Solving: Free-Body Diagrams 104
4-7 Newton’s Third Law 109
4-8 Problem Solving: Problems with Two
or More Objects 111
Extended
Contents
ix
Physics Spotlight:
Roller Coasters and the Need
for Speed / 114
Summary 115
Problems 116
Chapter 5
ADDITIONAL APPLICATIONS OF
NEWTON’S LAWS / 127
5-1 Friction 128
5-2 Drag Forces 139
5-3 Motion Along a Curved Path 141
*5-4 Numerical Integration: Euler’s Method 147
5-5 The Center of Mass 149
Physics Spotlight:
Accident Reconstruction—
Measurements and Forces / 158
Summary 159
Problems 160
Summary 194
Problems 195
Chapter 7
CONSERVATION OF ENERGY / 201
7-1 Potential Energy 202
7-2 The Conservation of Mechanical Energy 209
7-3 The Conservation of Energy 219
7-4 Mass and Energy 228
7-5 Quantization of Energy 231
Physics Spotlight:
Blowing Warmed Air / 233
Summary 234
Problems 236
Chapter 8
CONSERVATION OF LINEAR
MOMENTUM / 247
8-1 Conservation of Linear Momentum 248
8-2 Kinetic Energy of a System 254
8-3 Collisions 255
*8-4 Collisions in the Center-of-Mass
Reference Frame 271
8-5 Continuously Varying Mass and Rocket
Propulsion 273
Physics Spotlight:
Pulse Detonation Engines: Faster
(and Louder) / 277
Summary 278
Problems 279
Chapter 9
ROTATION / 289
9-1 Rotational Kinematics: Angular Velocity
and Angular Acceleration 290
9-2 Rotational Kinetic Energy 292
9-3 Calculating the Moment of Inertia 294
9-4 Newton’s Second Law for Rotation 301
9-5 Applications of Newton’s Second Law
for Rotation 303
9-6 Rolling Objects 310
Physics Spotlight:
Spindizzy—Ultracentrifuges / 316
Summary 317
Problems 318
x Contents
Courtesy of Rossignol Ski Company
Chapter 6
WORK AND KINETIC ENERGY / 173
6-1 Work Done by a Constant Force 174
6-2 Work Done by a Variable
Force–Straight-Line Motion 179
6-3 The Scalar Product 182
6-4 Work–Kinetic-Energy Theorem—Curved
Paths 188
*6-5 Center-of-Mass Work 190
Physics Spotlight:
Coasters and Baggage and Work
(Oh My!) / 193
Contents xi
Chapter 10
ANGULAR MOMENTUM / 331
10-1 The Vector Nature of Rotation 332
10-2 Torque and Angular Momentum 334
10-3 Conservation of Angular Momentum 341
*10-4 Quantization of Angular Momentum 350
Physics Spotlight:
As the World Turns: Atmospheric
Angular Momentum / 353
Summary 354
Problems 355
Chapter R
SPECIAL RELATIVITY / R-1
R-1 The Principle of Relativity and the
Constancy of the Speed of Light R-2
R-2 Moving Sticks R-4
R-3 Moving Clocks R-5
R-4 Moving Sticks Again R-8
R-5 Distant Clocks and Simultaneity R-9
R-6 Relativistic Momentum, Mass, and Energy R-12
Summary R-15
Problems R-16
Chapter 11
GRAVITY / 363
11-1 Kepler’s Laws 364
11-2 Newton’s Law of Gravity 367
11-3 Gravitational Potential Energy 374
11-4 The Gravitational Field 378
*11-5 Finding the Gravitational Field of a
Spherical Shell by Integration 384
Physics Spotlight:
Gravitational Lenses:
A Window on the Universe / 386
Summary 387
Problems 388
Chapter 12
STATIC EQUILIBRIUM
AND ELASTICITY / 397
12-1 Conditions for Equilibrium 398
12-2 The Center of Gravity 398
12-3 Some Examples of Static Equilibrium 399
12-4 Static Equilibrium in an Accelerated Frame 406
12-5 Stability of Rotational Equilibrium 407
12-6 Indeterminate Problem 408
12-7 Stress and Strain 409
Physics Spotlight:
Carbon Nanotubes: Small
and Mighty / 412
Summary 413
Problems 414
Chapter 13
FLUIDS / 423
13-1 Density 424
13-2 Pressure in a Fluid 425
13-3 Buoyancy and Archimedes’ Principle 432
13-4 Fluids in Motion 438
Physics Spotlight:
Automotive Aerodynamics:
Ride with the Wind / 448
Summary 449
Problems 450
PART II OSCILLATIONS AND
WAVES
Chapter 14
OSCILLATIONS / 457
14-1 Simple Harmonic Motion 458
14-2 Energy in Simple Harmonic Motion 465
14-3 Some Oscillating Systems 468
14-4 Damped Oscillations 477
14-5 Driven Oscillations and Resonance 481
Physics Spotlight:
Moving to the Beat:
Millennium Bridge / 486
Summary 487
Problems 488
Chapter 15
TRAVELING WAVES / 495
15-1 Simple Wave Motion 496
15-2 Periodic Waves 503
15-3 Waves in Three Dimensions 509
15-4 Waves Encountering Barriers 513
15-5 The Doppler Effect 518
Physics Spotlight:
All Shook Up: Sediment Basins
and Earthquake Resonance / 524
Summary 525
Problems 527
Chapter 16
SUPERPOSITION AND STANDING
WAVES / 533
16-1 Superposition of Waves 534
16-2 Standing Waves 542
*16-3 Additional Topics 550
Physics Spotlight:
Echoes of Silence:
Acoustical Architecture / 554
Summary 555
Problems 556
PART III THERMODYNAMICS
Chapter 17
TEMPERATURE AND
KINETIC THEORY OF GASES / 563
17-1 Thermal Equilibrium and Temperature 564
17-2 Gas Thermometers and the Absolute
Temperature Scale 566
17-3 The Ideal-Gas Law 569
17-4 The Kinetic Theory of Gases 574
Physics Spotlight:
Molecular Thermometers / 584
Summary 585
Problems 586
Chapter 18
HEAT AND THE FIRST LAW OF
THERMODYNAMICS / 591
18-1 Heat Capacity and Specific Heat 592
18-2 Change of Phase and Latent Heat 595
18-3 Joule’s Experiment and the First Law
of Thermodynamics 598
18-4 The Internal Energy of an Ideal Gas 601
18-5 Work and the PV Diagram for a Gas 602
18-6 Heat Capacities of Gases 606
18-7 Heat Capacities of Solids 611
18-8 Failure of the Equipartition Theorem 611
18-9 The Quasi-Static Adiabatic
Compression of a Gas 615
Physics Spotlight:
Respirometry: Breathing
the Heat / 619
Summary 620
Problems 622
Chapter 19
THE SECOND LAW OF
THERMODYNAMICS / 629
19-1 Heat Engines and the Second Law
of Thermodynamics 630
19-2 Refrigerators and the Second Law
of Thermodynamics 634
19-3 The Carnot Engine 637
*19-4 Heat Pumps 643
19-5 Irreversibility, Disorder, and Entropy 645
19-6 Entropy and the Availability of Energy 652
19-7 Entropy and Probability 653
Physics Spotlight:
The Perpetual Battle over
Perpetual Motion / 655
Summary 656
Problems 657
Chapter 20
THERMAL PROPERTIES AND
PROCESSES / 665
20-1 Thermal Expansion 666
20-2 The van der Waals Equation and
Liquid–Vapor Isotherms 670
20-3 Phase Diagrams 673
20-4 The Transfer of Heat 674
Physics Spotlight:
Urban Heat Islands: Hot Nights
in the City / 686
Summary 687
Problems 688
PART IV ELECTRICITY AND
MAGNETISM
Chapter 21
THE ELECTRIC FIELD I: DISCRETE
CHARGE DISTRIBUTIONS / 693
21-1 Charge 694
21-2 Conductors and Insulators 697
21-3 Coulomb’s Law 699
xii Contents
Contents xiii
21-4 The Electric Field 704
21-5 Electric Field Lines 711
21-6 Action of the Electric Field on Charges 714
Physics Spotlight:
Powder Coating—Industrial Static / 719
Summary 720
Problems 721
Chapter 22
THE ELECTRIC FIELD II: CONTINUOUS
CHARGE DISTRIBUTIONS / 727
22-1 Calculating from Coulomb’s Law 728
22-2 Gauss’s Law 738
22-3 Using Symmetry to Calculate
with Gauss’s Law 742
22-4 Discontinuity of 749
22-5 Charge and Field at Conductor Surfaces 750
*22-6 The Equivalence of Gauss’s Law and
Coulomb’s Law in Electrostatics 753
Physics Spotlight:
Charge Distribution—Hot and Cold / 754
Summary 755
Problems 756
Chapter 23
ELECTRIC POTENTIAL / 763
23-1 Potential Difference 764
23-2 Potential Due to a System of
Point Charges 767
23-3 Computing the Electric Field
from the Potential 772
En
E
S
E
S
23-4 Calculation of V for Continuous
Charge Distributions 773
23-5 Equipotential Surfaces 781
23-6 Electrostatic Potential Energy 787
Physics Spotlight:
Lightning—Fields of Attraction / 791
Summary 792
Problems 794
Chapter 24
CAPACITANCE / 801
24-1 Capacitance 802
24-2 The Storage of Electrical Energy 806
24-3 Capacitors, Batteries, and Circuits 810
24-4 Dielectrics 817
24-5 Molecular View of a Dielectric 824
Physics Spotlight:
Changes in Capacitors—
Charging Ahead / 828
Summary 829
Problems 831
Chapter 25
ELECTRIC CURRENT AND
DIRECT-CURRENT CIRCUITS / 839
25-1 Current and the Motion of Charges 840
25-2 Resistance and Ohm’s Law 844
25-3 Energy in Electric Circuits 849
25-4 Combinations of Resistors 854
25-5 Kirchhoff’s Rules 860
25-6 RC Circuits 868
Physics Spotlight:
Vehicle Electrical Systems:
Driven to Innovation / 874
Summary 875
Problems 877
Chapter 26
THE MAGNETIC FIELD / 887
26-1 The Force Exerted by a Magnetic Field 888
26-2 Motion of a Point Charge in a
Magnetic Field 892
26-3 Torques on Current Loops and Magnets 900
26-4 The Hall Effect 904
Physics Spotlight:
Earth and the Sun—
Magnetic Changes / 908
NASA/Goddard Space Flight Center Scientific Visualization Studio
Summary 909
Problems 910
Summary 986
Problems 988
Chapter 29
ALTERNATING-CURRENT CIRCUITS / 995
29-1 Alternating Current in a Resistor 996
29-2 Alternating-Current Circuits 999
*29-3 The Transformer 1004
*29-4 LC and RLC Circuits without
a Generator 1007
*29-5 Phasors 1010
*29-6 Driven RLC Circuits 1011
Physics Spotlight:
The Electric Grid: Power
to the People / 1019
Summary 1020
Problems 1022
Chapter 30
MAXWELL’S EQUATIONS AND
ELECTROMAGNETIC WAVES / 1029
30-1 Maxwell’s Displacement Current 1030
30-2 Maxwell’s Equations 1033
30-3 The Wave Equation for
Electromagnetic Waves 1034
30-4 Electromagnetic Radiation 1040
Physics Spotlight:
Wireless: Sharing the Spectrum / 1049
Summary 1050
Problems 1051
PART V LIGHT
Chapter 31
PROPERTIES OF LIGHT / 1055
31-1 The Speed of Light 1056
31-2 The Propagation of Light 1059
31-3 Reflection and Refraction 1060
31-4 Polarization 1070
31-5 Derivation of the Laws of Reflection
and Refraction 1077
31-6 Wave–Particle Duality 1079
31-7 Light Spectra 1080
*31-8 Sources of Light 1081
Chapter 27
SOURCES OF THE
MAGNETIC FIELD / 917
27-1 The Magnetic Field of Moving Point Charges 918
27-2 The Magnetic Field of Currents:
The Biot–Savart Law 919
27-3 Gauss’s Law for Magnetism 932
27-4 Ampère’s Law 933
27-5 Magnetism in Matter 937
Physics Spotlight:
Solenoids at Work / 947
Summary 948
Problems 950
Chapter 28
MAGNETIC INDUCTION / 959
28-1 Magnetic Flux 960
28-2 Induced EMF and Faraday’s Law 961
28-3 Lenz’s Law 965
28-4 Motional EMF 969
28-5 Eddy Currents 974
28-6 Inductance 974
28-7 Magnetic Energy 977
*28-8 RL Circuits 979
*28-9 Magnetic Properties of Superconductors 983
Physics Spotlight:
The Promise of Superconductors / 985
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xiv Contents