# Conceptual Physics 12th edition

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• 1.1: Scientific Measurements
• 1.2: Scientific Methods
• 1.3: Science, Art, and Religion
• 1.4: Science and Technology
• 1.5: Physics—The Basic Science
• 1.6: In Perspective
• 1: Exercises (7)
• 1: Extra Problems (1)

• Chapter 2: Newton's First Law of Motion–Inertia
• 2.1: Aristotle on Motion
• 2.2: Galileo's Experiment
• 2.3: Newton's First Law of Motion
• 2.4: Net Force and Vectors
• 2.5: The Equilibrium Rule
• 2.6: Support Force
• 2.7: Equilibrium of Moving Things
• 2.8: The Moving Earth
• 2: Exercises (32)
• 2: Extra Problems (2)

• Chapter 3: Linear Motion
• 3.1: Motion Is Relative
• 3.2: Speed
• 3.3: Velocity
• 3.4: Acceleration
• 3.5: Free Fall
• 3.6: Velocity Vectors
• 3: Exercises (44)
• 3: Extra Problems

• Chapter 4: Newton's Second Law of Motion
• 4.1: Force Causes Acceleration
• 4.2: Friction
• 4.3: Mass and Weight
• 4.4: Newton's Second Law of Motion
• 4.5: When Acceleration Is g—Free Fall
• 4.6: When Acceleration Is Less Than g—Nonfree Fall
• 4: Exercises (45)
• 4: Extra Problems (1)

• Chapter 5: Newton's Third Law of Motion
• 5.1: Forces and Interaction
• 5.2: Newton's Third Law of Motion
• 5.3: Action and Reaction on Different Masses
• 5.4: Vectors and the Third Law
• 5.5: Summary of Newton's Three Laws
• 5: Exercises (34)
• 5: Extra Problems (4)

• Chapter 6: Momentum
• 6.1: Momentum
• 6.2: Impulse
• 6.3: Impulse Changes Momentum
• 6.4: Bouncing
• 6.5: Conservation of Momentum
• 6.6: Collisions
• 6.7: More Complicated Collisions
• 6: Exercises (49)
• 6: Extra Problems (1)

• Chapter 7: Energy
• 7.1: Work
• 7.2: Potential Energy
• 7.3: Kinetic Energy
• 7.4: Work–Energy Theorem
• 7.5: Conservation of Energy
• 7.6: Machines
• 7.7: Efficiency
• 7.8: Sources of Energy
• 7: Exercises (35)
• 7: Extra Problems

• Chapter 8: Rotational Motion
• 8.1: Circular Motion
• 8.2: Rotational Inertia
• 8.3: Torque
• 8.4: Center of Mass and Center of Gravity
• 8.5: Centripetal Force
• 8.6: Centrifugal Force
• 8.7: Angular Momentum
• 8.8: Conservation of Angular Momentum
• 8: Exercises (38)
• 8: Extra Problems (3)

• Chapter 9: Gravity
• 9.1: The Universal Law of Gravity
• 9.2: The Universal Gravitational Constant, G
• 9.3: Gravity and Distance: The Inverse-Square Law
• 9.4: Weight and Weightlessness
• 9.5: Ocean Tides
• 9.6: Gravitational Fields
• 9.7: Black Holes
• 9.8: Universal Gravitation
• 9: Exercises (44)
• 9: Extra Problems (1)

• Chapter 10: Projectile and Satellite Motion
• 10.1: Projectile Motion
• 10.2: Fast-Moving Projectiles—Satellites
• 10.3: Circular Satellite Orbits
• 10.4: Elliptical Orbits
• 10.5: Kepler's Law of Planetary Motion
• 10.6: Energy Conservation and Satellite Motion
• 10.7: Escape Speed
• 10: Exercises (47)
• 10: Extra Problems (2)

• Chapter 11: The Atomic Nature of Matter
• 11.1: The Atomic Hypothesis
• 11.2: Characteristics of Atoms
• 11.3: Atomic Imagery
• 11.4: Atomic Structure
• 11.5: The Periodic Table of the Elements
• 11.6: Isotopes
• 11.7: Compounds and Mixtures
• 11.8: Molecules
• 11.9: Antimatter
• 11: Exercises (23)
• 11: Extra Problems (8)

• Chapter 12: Solids
• 12.1: Crystal Structure
• 12.2: Density
• 12.3: Elasticity
• 12.4: Tension and Compression
• 12.5: Arches
• 12.6: Scaling
• 12: Exercises (43)
• 12: Extra Problems

• Chapter 13: Liquids
• 13.1: Pressure
• 13.2: Pressure in a Liquid
• 13.3: Buoyancy
• 13.4: Archimedes' Principle
• 13.5: What Makes an Object Sink or Float?
• 13.6: Flotation
• 13.7: Pascal's Principle
• 13.8: Surface Tension
• 13.9: Capillarity
• 13: Exercises (45)
• 13: Extra Problems (2)

• Chapter 14: Gases
• 14.1: The Atmosphere
• 14.2: Atmospheric Pressure
• 14.3: Boyle's Law
• 14.4: Buoyancy of Air
• 14.5: Bernoulli's Principle
• 14.6: Plasma
• 14: Exercises (41)
• 14: Extra Problems (2)

• Chapter 15: Temperature, Heat, and Expansion
• 15.1: Temperature
• 15.2: Heat
• 15.3: Specific Heat Capacity
• 15.4: The High Specific Heat Capacity of Water
• 15.5: Thermal Expansion
• 15: Exercises (42)
• 15: Extra Problems (2)

• Chapter 16: Heat Transfer
• 16.1: Conduction
• 16.2: Convection
• 16.4: Newton's Law of Cooling
• 16.5: The Greenhouse Effect
• 16.6: Climate Change
• 16.7: Solar Power
• 16.8: Controlling Heat Transfer
• 16: Exercises (41)
• 16: Extra Problems (1)

• Chapter 17: Change of Phase
• 17.1: Phases of Matter
• 17.2: Evaporation
• 17.3: Condensation
• 17.4: Boiling
• 17.5: Melting and Freezing
• 17.6: Energy and Changes of Phase
• 17: Exercises (48)
• 17: Extra Problems

• Chapter 18: Thermodynamics
• 18.1: Thermodynamics
• 18.2: Absolute Zero
• 18.3: First Law of Thermodynamics
• 18.5: Meteorology and the First Law
• 18.6: Second Law of Thermodynamics
• 18.7: Energy Tends to Disperse
• 18.8: Entropy
• 18: Exercises (37)
• 18: Extra Problems (1)

• Chapter 19: Vibrations and Waves
• 19.1: Good Vibrations
• 19.2: Wave Description
• 19.3: Wave Motion
• 19.4: Wave Speed
• 19.5: Wave Interference
• 19.6: Doppler Effect
• 19.7: Bow Waves
• 19.8: Shock Waves
• 19: Exercises (43)
• 19: Extra Problems (1)

• Chapter 20: Sound
• 20.1: Nature of Sound
• 20.2: Sound in Air
• 20.3: Reflection of Sound
• 20.4: Refraction of Sound
• 20.5: Forced Vibrations
• 20.6: Resonance
• 20.7: Interference
• 20.8: Beats
• 20: Exercises (45)
• 20: Extra Problems (1)

• Chapter 21: Musical Sounds
• 21.1: Noise and Music
• 21.2: Pitch
• 21.3: Sound Intensity and Loudness
• 21.4: Quality
• 21.5: Musical Instruments
• 21.6: Fourier Analysis
• 21.7: From Analog to Digital
• 21: Exercises (33)
• 21: Extra Problems

• Chapter 22: Electrostatics
• 22.1: Electricity
• 22.2: Electric Charges
• 22.3: Conservation of Charge
• 22.4: Coulomb's Law
• 22.5: Conductors and Insulators
• 22.6: Charging
• 22.7: Charge Polarization
• 22.8: Electric Field
• 22.9: Electric Potential
• 22: Exercises (49)
• 22: Extra Problems (1)

• Chapter 23: Electric Current
• 23.1: Flow of Charge and Electric Current
• 23.2: Voltage Sources
• 23.3: Electrical Resistance
• 23.4: Ohm's Law
• 23.5: Direct Current and Alternating Current
• 23.6: Speed and Source of Electrons in a Circuit
• 23.7: Electric Power
• 23.8: Lamps
• 23.9: Electric Circuits
• 23: Exercises (46)
• 23: Extra Problems (1)

• Chapter 24: Magnetism
• 24.1: Magnetism
• 24.2: Magnetic Poles
• 24.3: Magnetic Fields
• 24.4: Magnetic Domains
• 24.5: Electric Currents and Magnetic Fields
• 24.6: Electromagnets
• 24.7: Magnetic Forces
• 24.8: Earth's Magnetic Field
• 24.9: Biomagnetism
• 24: Exercises (31)
• 24: Extra Problems

• Chapter 25: Electromagnetic Induction
• 25.1: Electromagnetic Induction
• 25.3: Generators and Alternating Current
• 25.4: Power Production
• 25.5: Transformers
• 25.6: Self-Induction
• 25.7: Power Transmission
• 25.8: Field Induction
• 25: Exercises (39)
• 25: Extra Problems (2)

• Chapter 26: Properties of Light
• 26.1: Electromagnetic Waves
• 26.2: Electromagnetic Wave Velocity
• 26.3: The Electromagnetic Spectrum
• 26.4: Transparent Materials
• 26.5: Opaque Materials
• 26.6: Seeing Light—The Eye
• 26: Exercises (43)
• 26: Extra Problems

• Chapter 27: Color
• 27.1: Color in Our World
• 27.2: Selective Reflection
• 27.3: Selective Transmission
• 27.4: Mixing Colored Lights
• 27.5: Mixing Colored Pigments
• 27.6: Why the Sky Is Blue
• 27.7: Why Sunsets Are Red
• 27.8: Why Clouds Are White
• 27.9: Why Water Is Greenish Blue
• 27: Exercises (36)
• 27: Extra Problems (1)

• Chapter 28: Reflection and Refraction
• 28.1: Reflection
• 28.2: Law of Reflection
• 28.3: Refraction
• 28.4: Cause of Refraction
• 28.5: Dispersion and Rainbows
• 28.6: Total Internal Reflection
• 28.7: Lenses
• 28.8: Lens Defects
• 28: Exercises (47)
• 28: Extra Problems (3)

• Chapter 29: Light Waves
• 29.1: Huygens' Principle
• 29.2: Diffraction
• 29.3: Superposition and Interference
• 29.4: Thin-Film Interference
• 29.5: Polarization
• 29.6: Holography
• 29: Exercises (29)
• 29: Extra Problems

• Chapter 30: Light Emission
• 30.1: Light Emission
• 30.2: Excitation
• 30.3: Emission Spectra
• 30.4: Incandescence
• 30.5: Absorption Spectra
• 30.6: Fluorescence
• 30.7: Phosphorescence
• 30.8: Lamps
• 30.9: Lasers
• 30: Exercises (46)
• 30: Extra Problems

• Chapter 31: Light Quanta
• 31.1: Birth of the Quantum Theory
• 31.2: Quantization and Planck's Constant
• 31.3: Photoelectric Effect
• 31.4: Wave–Duality
• 31.5: Double-Slit Experiment
• 31.6: Particles as Waves: Electron Diffraction
• 31.7: Uncertainty Principle
• 31.8: Complementarity
• 31: Exercises (38)
• 31: Extra Problems

• Chapter 32: The Atom and the Quantum
• 32.1: Discovery of the Atomic Nucleus
• 32.2: Discovery of the Electron
• 32.3: Atomic Spectra: Clues to Atomic Structure
• 32.4: Bohr Model of the Atom
• 32.5: Explanation of Quantized Energy Levels: Electron Waves
• 32.6: Quantum Mechanics
• 32.7: Correspondence Principle
• 32: Exercises (27)
• 32: Extra Problems (2)

• Chapter 33: The Atomic Nucleus and Radioactivity
• 33.2: Alpha, Beta, and Gamma Rays
• 33.4: The Atomic Nucleus and the Strong Force
• 33.7: Transmutation of Elements
• 33: Exercises (42)
• 33: Extra Problems (1)

• Chapter 34: Nuclear Fission and Fusion
• 34.1: Nuclear Fission
• 34.2: Nuclear Fission Reactors
• 34.3: The Breeder Reactor
• 34.4: Fission Power
• 34.5: Mass–Energy Equivalence
• 34.6: Nuclear Fusion
• 34.7: Controlling Fusion
• 34: Exercises (3)
• 34: Extra Problems

• Chapter 35: Special Theory of Relativity
• 35.1: Motion Is Relative
• 35.2: Postulates of the Special Theory of Relativity
• 35.3: Simultaneity
• 35.4: Spacetime and Time Dilation
• 35.6: Length Contraction
• 35.7: Relativistic Momentum
• 35.8: Mass, Energy, and E = mc2
• 35.9: The Correspondence Principle
• 35: Exercises (49)
• 35: Extra Problems

• Chapter 36: General Theory of Relativity
• 36.1: Principle of Equivalence
• 36.2: Bending of Light by Gravity
• 36.3: Gravity and Time: Gravitational Red Shift
• 36.4: Gravity and Space: Motion of Mercury
• 36.5: Gravity, Space, and a New Geometry
• 36.6: Gravitational Waves
• 36.7: Newtonian and Einsteinian Gravitation
• 36: Exercises (28)
• 36: Extra Problems (2)

## Questions Available within WebAssign

Most questions from this textbook are available in WebAssign. The online questions are identical to the textbook questions except for minor wording changes necessary for Web use. Whenever possible, variables, numbers, or words have been randomized so that each student receives a unique version of the question. This list is updated nightly.

##### Question Group Key
E - Exercise
XP - Extra Problem

##### Question Availability Color Key
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Group Quantity Questions
1.E 7 024 025 026 027 028 030 031
1.XP 1 001
Chapter 2: Newton's First Law of Motion–Inertia
2.E 32 029 039 040 041 042 043 044 046 048 049 050 059 060 061 063 064 065 069 070 072 073 078 079 080 081 083 084 085 088 089 090 092
2.XP 2 001 002
Chapter 3: Linear Motion
3.E 44 035 036 037 038 039 049 050 051 052 053 055 056 057 058 059 060 061 062 063 064 065 066 067 068 069 071 074 075 078 079 080 082 083 085 086 087 088 089 090 091 092 095 096 100
Chapter 4: Newton's Second Law of Motion
4.E 45 043 050 051 059 064 065 067 068 069 071 072 074 078 079 080 081 084 085 086 087 088 089 090 091 092 093 094 095 096 097 098 099 101 103 104 105 107 108 109 111 112 117 118 119 120
4.XP 1 001
Chapter 5: Newton's Third Law of Motion
5.E 34 026 027 028 029 034 037 038 039 042 043 044 045 046 047 048 049 050 051 052 053 056 057 058 060 061 062 063 064 065 066 067 076 077 079
5.XP 4 001 002 003 004
Chapter 6: Momentum
6.E 49 031 032 035 036 037 043 044 045 046 047 056 057 058 059 060 061 063 064 065 066 067 068 070 071 075 077 079 080 084 085 086 087 088 089 090 091 092 093 094 095 096 097 098 099 100 101 102 103 104
6.XP 1 001
Chapter 7: Energy
7.E 35 043 048 055 061 062 064 065 068 069 073 074 075 076 077 078 079 080 081 082 092 093 095 097 100 101 102 104 105 107 108 109 110 111 115 120
Chapter 8: Rotational Motion
8.E 38 045 046 049 057 059 061 062 066 069 071 072 073 074 075 076 078 079 083 087 088 090 091 092 093 095 096 097 098 099 101 102 106 107 110 111 112 113 115
8.XP 3 001 002 003
Chapter 9: Gravity
9.E 44 042 043 050 051 052 053 054 061 062 063 064 065 067 074 075 077 078 079 080 081 082 083 084 085 086 088 089 090 091 092 093 094 095 096 098 100 102 103 104 105 106 107 108 110
9.XP 1 001
Chapter 10: Projectile and Satellite Motion
10.E 47 026 027 029 030 032 033 044 046 047 048 049 050 051 052 053 054 055 056 057 060 061 062 064 065 066 067 068 069 071 073 074 075 076 079 081 083 084 086 087 088 089 091 092 093 094 095 098
10.XP 2 001 002
Chapter 11: The Atomic Nature of Matter
11.E 23 037 038 039 041 044 045 046 047 048 049 052 053 054 055 058 059 060 061 062 066 067 068 070
11.XP 8 001 002 003 004 005 006 007 008
Chapter 12: Solids
12.E 43 030 031 032 033 034 042 043 047 048 049 051 052 054 055 056 057 058 059 061 062 063 064 065 066 067 068 073 074 075 078 079 080 081 082 083 084 085 086 087 088 089 090 091
Chapter 13: Liquids
13.E 45 041 043 050 052 053 054 057 059 060 061 062 064 065 066 067 070 072 073 074 077 081 082 083 084 085 089 090 091 092 093 094 095 096 099 100 101 103 104 105 106 107 108 109 110 114
13.XP 2 001 002
Chapter 14: Gases
14.E 41 040 041 042 048 049 053 054 055 056 057 058 059 060 061 062 063 064 065 066 068 069 070 071 077 078 079 080 083 084 086 088 091 092 093 094 096 097 099 100 101 105
14.XP 2 001 002
Chapter 15: Temperature, Heat, and Expansion
15.E 42 039 041 047 049 050 052 057 058 066 067 068 069 070 071 072 073 074 075 076 077 080 081 082 084 086 087 088 089 090 092 093 094 095 096 097 098 099 101 102 103 104 105
15.XP 2 001 002
Chapter 16: Heat Transfer
16.E 41 036 037 038 043 044 045 046 047 048 050 051 056 057 058 060 061 063 065 066 069 071 073 074 075 076 077 078 079 080 081 083 084 085 086 088 090 091 092 093 094 095
16.XP 1 001
Chapter 17: Change of Phase
17.E 48 037 038 039 040 041 042 043 044 047 049 051 052 054 055 056 057 058 059 061 062 063 064 065 066 067 069 070 071 073 074 075 076 077 078 079 080 081 083 087 088 093 095 096 098 101 102 104 110
Chapter 18: Thermodynamics
18.E 37 033 036 037 038 040 042 043 044 046 047 048 050 052 054 055 056 057 058 059 060 061 062 063 064 068 070 071 076 077 078 079 080 082 086 087 090 093
18.XP 1 001
Chapter 19: Vibrations and Waves
19.E 43 032 033 036 037 038 039 040 047 048 050 055 056 058 059 060 061 062 063 064 065 066 069 070 071 072 073 075 076 077 078 079 080 081 082 083 084 085 086 087 090 092 093 094
19.XP 1 001
Chapter 20: Sound
20.E 45 033 034 035 036 037 038 039 040 046 047 048 049 050 051 053 054 055 056 057 058 059 060 061 062 063 064 065 067 068 069 070 072 074 075 076 077 078 082 083 085 086 087 088 089 091
20.XP 1 001
Chapter 21: Musical Sounds
21.E 33 027 029 030 031 037 040 041 043 044 045 046 049 050 051 053 054 055 057 058 059 061 062 063 065 066 068 069 071 072 075 076 077 078
Chapter 22: Electrostatics
22.E 49 036 037 038 039 040 041 042 043 044 045 051 053 054 055 056 057 058 059 060 061 063 064 065 069 072 074 076 077 078 079 080 081 085 086 088 089 091 092 093 094 098 099 100 102 103 104 105 106 108
22.XP 1 001
Chapter 23: Electric Current
23.E 46 043 044 045 046 047 048 049 051 061 062 067 068 069 071 073 075 079 081 082 083 085 088 089 090 091 092 093 094 095 096 098 099 100 101 102 103 104 105 107 108 110 111 112 113 118 119
23.XP 1 001
Chapter 24: Magnetism
24.E 31 034 037 038 039 041 042 045 046 047 048 049 051 052 053 057 059 061 062 063 064 065 066 067 068 069 070 071 075 078 079 081
Chapter 25: Electromagnetic Induction
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25.XP 2 001 002
Chapter 26: Properties of Light
26.E 43 033 034 035 036 037 038 039 040 041 042 043 044 045 046 047 056 057 058 060 061 062 063 064 065 066 067 068 071 072 073 075 076 077 078 081 082 083 084 086 091 092 093 094
Chapter 27: Color
27.E 36 036 037 038 039 040 041 042 043 044 045 046 049 050 051 052 053 055 056 057 058 061 062 063 066 068 070 071 073 074 075 076 078 079 080 081 083
27.XP 1 001
Chapter 28: Reflection and Refraction
28.E 47 037 038 039 040 041 042 051 052 053 054 055 056 057 058 060 061 062 063 064 068 069 070 071 072 073 074 075 076 079 085 086 092 093 094 096 097 099 100 101 102 103 104 105 106 107 108 109
28.XP 3 001 002 003
Chapter 29: Light Waves
29.E 29 029 030 031 032 034 035 038 039 040 042 043 044 046 047 048 049 051 052 053 054 055 056 057 058 059 060 062 067 068
Chapter 30: Light Emission
30.E 46 029 030 031 032 033 034 035 037 038 039 040 042 043 044 045 047 048 049 050 051 052 053 054 055 057 062 063 064 065 066 067 068 069 070 071 072 074 075 076 078 079 080 081 083 084 086
Chapter 31: Light Quanta
31.E 38 023 024 025 026 027 029 031 033 034 035 037 039 042 044 046 047 048 049 051 052 053 054 055 057 058 060 062 063 065 066 067 068 070 071 072 073 074 075
Chapter 32: The Atom and the Quantum
32.E 27 021 022 024 025 026 028 031 032 033 034 035 036 037 038 039 041 043 044 045 046 047 048 049 050 051 052 054
32.XP 2 001 002
Chapter 33: The Atomic Nucleus and Radioactivity
33.E 42 032 033 034 036 042 044 045 046 047 048 049 050 051 052 053 055 056 057 058 059 060 061 062 063 065 066 067 070 071 073 074 077 078 079 080 082 083 084 085 086 087 089
33.XP 1 001
Chapter 34: Nuclear Fission and Fusion
34.E 3 032 033 034
Chapter 35: Special Theory of Relativity
35.E 49 037 038 039 040 041 042 043 044 045 046 049 050 051 052 053 056 057 058 059 060 061 062 063 064 065 066 070 071 072 073 074 075 076 077 079 080 082 083 086 087 088 089 092 093 094 095 096 097 098
Chapter 36: General Theory of Relativity
36.E 28 022 025 026 028 032 033 034 035 036 037 039 041 042 043 044 045 046 048 049 051 052 054 055 056 057 058 059 060
36.XP 2 001 002
Total 1415