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Infrared Andromeda Galaxy (M31).

Chapter 1

Description
Measurement and the scientific method.
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American kestrel.

Chapter 2

Description
One-dimensional kinematics
37 solutions
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The Dragon Khan in Spain's Universal Port Aventura Amusement Park.

Chapter 3

Description
Two-Dimensional Kinematics
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Newton’s laws of motion describe the motion of the dolphin’s path. This photo was taken at the Lisbon Zoo.

Chapter 4

Description
Dynamics: Force and Newton's Laws of Motion
43 solutions
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Total hip replacement surgery has become a common procedure. The head (or ball) of the patient's femur fits into a cup that has a hard plastic-like inner lining.

Chapter 5

Description
Further applications of Newton's Laws: friction, drag, and elasticity
24 solutions
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This Australian Grand Prix Formula 1 race car moves in a circular path as it makes the turn. Its wheels also spin rapidly—the latter completing many revolutions, the former only part of one (a circular arc). The same physical principles are involved in each.

Chapter 6

Description
Gravitation and uniform circular motion
27 solutions
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How many forms of energy can you identify in this photograph of a wind farm in Sandesneben, Germany?

Chapter 7

Description
Work, Energy, and Energy Resources
55 solutions
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Each rugby player has great momentum, which will affect the outcome of their collisions with each other and the ground.

Chapter 8

Description
Linear Momentum and Collisions
57 solutions
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On a short time scale, rocks like these in Australia's Kings Canyon are static, or motionless relative to the Earth.

Chapter 9

Description
Statics and Torque
26 solutions
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The mention of a tornado conjures up images of raw destructive power. Tornadoes blow houses away as if they were made of paper and have been known to pierce tree trunks with pieces of straw. They descend from clouds in funnel-like shapes that spin violently, particularly at the bottom where they are most narrow, producing winds as high as 500 km/h. Location: Oklahoma 7 miles south of Anadarko.

Chapter 10

Description
Rotational Motion and Angular Momentum
38 solutions
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The fluid essential to all life has a beauty of its own. It also helps support the weight of this swimmer.

Chapter 11

Description
Fluid statics
46 solutions
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Many fluids are flowing in this scene. Water from the hose and smoke from the fire are visible flows. Less visible are the flow of air and the flow of fluids on the ground and within the people fighting the fire. Explore all types of flow, such as visible, implied, turbulent, laminar, and so on, present in this scene.

Chapter 12

Description
Fluid Dynamics and its Biological and Medical Applications.
37 solutions
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The welder’s gloves and helmet protect him from the electric arc that transfers enough thermal energy to melt the rod, spray sparks, and burn the retina of an unprotected eye. The thermal energy can be felt on exposed skin a few meters away, and its light can be seen for kilometers.

Chapter 13

Description
Temperature, Kinetic Theory, and the Gas Laws
40 solutions
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(a) The chilling effect of a clear breezy night is produced by the wind and by radiative heat transfer to cold outer space. (b) There was once great controversy about the Earth’s age, but it is now generally accepted to be about 4.5 billion years old. Much of the debate is centered on the Earth’s molten interior. The discovery of radioactivity in rocks revealed the source of energy that keeps the Earth’s interior molten, despite heat transfer to the surface, and from there to cold outer space.

Chapter 14

Description
Heat and Heat Transfer Methods
44 solutions
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A steam engine uses heat transfer to do work. Tourists regularly ride this narrow-gauge steam engine train near the San Juan Skyway in Durango, Colorado, part of the National Scenic Byways Program.

Chapter 15

Description
Thermodynamics
38 solutions
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There are at least four types of waves in this picture—only the water waves are evident. There are also sound waves, light waves, and waves on the guitar strings.

Chapter 16

Description
Oscillatory Motion and Waves
51 solutions
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This tree fell some time ago. When it fell, atoms in the air were disturbed. Physicists would call this disturbance sound whether someone was around to hear it or not.

Chapter 17

Description
Physics of Hearing
53 solutions
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Static electricity from this plastic slide causes the child's hair to stand on end. The sliding motion stripped electrons away from the child's body, leaving an excess of positive charges, which repel each other along each strand of hair.

Chapter 18

Description
Electric charge and electric field
54 solutions
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Automated external defibrillator unit (AED)

Chapter 19

Description
Electric Potential and Electric Field
56 solutions
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Electric energy in massive quantities is transmitted from this hydroelectric facility, the Srisailam power station located along the Krishna River in India, by the movement of charge—that is, by electric current.

Chapter 20

Description
Electric Current, Resistance, and Ohm's Law
55 solutions
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Electric circuits in a computer allow large amounts of data to be quickly and accurately analyzed..

Chapter 21

Description
Circuits, Bioelectricity, and DC Instruments
46 solutions
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The magnificent spectacle of the Aurora Borealis, or northern lights, glows in the northern sky above Bear Lake near Eielson Air Force Base, Alaska. Shaped by the Earth’s magnetic field, this light is produced by radiation spewed from solar storms.

Chapter 22

Description
Magnetism
53 solutions
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This wind turbine in the Thames Estuary in the UK is an example of induction at work. Wind pushes the blades of the turbine, spinning a shaft attached to magnets. The magnets spin around a conductive coil, inducing an electric current in the coil, and eventually feeding the electrical grid.

Chapter 23

Description
Electromagnetic Induction, AC Circuits, and Electrical Technologies
55 solutions
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Human eyes detect these orange “sea goldie” fish swimming over a coral reef in the blue waters of the Gulf of Eilat (Red Sea) using visible light.

Chapter 24

Description
Electromagnetic Waves
31 solutions
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Image seen as a result of reflection of light on a plane smooth surface.

Chapter 25

Description
Geometric Optics
42 solutions
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A scientist examines minute details on the surface of a disk drive at a magnification of 100,000 times. The image was produced using an electron microscope.

Chapter 26

Description
Vision and Optical Instruments
26 solutions
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he colors reflected by this compact disc vary with angle and are not caused by pigments. Colors such as these are direct evidence of the wave character of light.

Chapter 27

Description
Wave Optics
58 solutions
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Image credits

Chapter 1: Infrared Andromeda Galaxy (M31). NASA, JPL-Caltech, P. Barmby, Harvard-Smithsonian Center for Astrophysics. original
Chapter 2: American kestrel. Vince Maidens, Wikimedia Commons
Chapter 3: The Dragon Khan in Spain's Universal Port Aventura Amusement Park. Boris23/Wikimedia Commons original
Chapter 4: Newton’s laws of motion describe the motion of the dolphin’s path. This photo was taken at the Lisbon Zoo. Jin Jang. original
Chapter 5: Total hip replacement surgery has become a common procedure. The head (or ball) of the patient's femur fits into a cup that has a hard plastic-like inner lining. NIADDK, 9AO4 (Connie Raab-contact); National Institutes of Health, via Wikimedia Commons original
Chapter 6: This Australian Grand Prix Formula 1 race car moves in a circular path as it makes the turn. Its wheels also spin rapidly—the latter completing many revolutions, the former only part of one (a circular arc). The same physical principles are involved in each. Richard Munckton from Windsor, Melbourne, Australia original
Chapter 7: How many forms of energy can you identify in this photograph of a wind farm in Sandesneben, Germany? Jürgen from Sandesneben, Germany. Wikimedia Commons. original
Chapter 8: Each rugby player has great momentum, which will affect the outcome of their collisions with each other and the ground. Oz, Flikr original
Chapter 9: On a short time scale, rocks like these in Australia's Kings Canyon are static, or motionless relative to the Earth. freeaussiestock. original
Chapter 10: The mention of a tornado conjures up images of raw destructive power. Tornadoes blow houses away as if they were made of paper and have been known to pierce tree trunks with pieces of straw. They descend from clouds in funnel-like shapes that spin violently, particularly at the bottom where they are most narrow, producing winds as high as 500 km/h. Location: Oklahoma 7 miles south of Anadarko. OAR/ERL/National Severe Storms Laboratory original
Chapter 11: The fluid essential to all life has a beauty of its own. It also helps support the weight of this swimmer. Terren, Wikimedia Commons original
Chapter 12: Many fluids are flowing in this scene. Water from the hose and smoke from the fire are visible flows. Less visible are the flow of air and the flow of fluids on the ground and within the people fighting the fire. Explore all types of flow, such as visible, implied, turbulent, laminar, and so on, present in this scene. Andrew Magill, Flickr
Chapter 13: The welder’s gloves and helmet protect him from the electric arc that transfers enough thermal energy to melt the rod, spray sparks, and burn the retina of an unprotected eye. The thermal energy can be felt on exposed skin a few meters away, and its light can be seen for kilometers. U.S. Navy photo by Mass Communication Specialist 2nd Class Kevin S. O'Brien original
Chapter 14: (a) The chilling effect of a clear breezy night is produced by the wind and by radiative heat transfer to cold outer space. (b) There was once great controversy about the Earth’s age, but it is now generally accepted to be about 4.5 billion years old. Much of the debate is centered on the Earth’s molten interior. The discovery of radioactivity in rocks revealed the source of energy that keeps the Earth’s interior molten, despite heat transfer to the surface, and from there to cold outer space.
Chapter 15: A steam engine uses heat transfer to do work. Tourists regularly ride this narrow-gauge steam engine train near the San Juan Skyway in Durango, Colorado, part of the National Scenic Byways Program. Dennis Adams original
Chapter 16: There are at least four types of waves in this picture—only the water waves are evident. There are also sound waves, light waves, and waves on the guitar strings. John Norton
Chapter 17: This tree fell some time ago. When it fell, atoms in the air were disturbed. Physicists would call this disturbance sound whether someone was around to hear it or not. B A Bowen Photography. original
Chapter 18: Static electricity from this plastic slide causes the child's hair to stand on end. The sliding motion stripped electrons away from the child's body, leaving an excess of positive charges, which repel each other along each strand of hair. Ken Bosma, Wikimedia Commons original
Chapter 19: Automated external defibrillator unit (AED) credit: U.S. Defense Department photo/Tech. Sgt. Suzanne M. Day
Chapter 20: Electric energy in massive quantities is transmitted from this hydroelectric facility, the Srisailam power station located along the Krishna River in India, by the movement of charge—that is, by electric current. Chintohere, Wikimedia Common original
Chapter 21: Electric circuits in a computer allow large amounts of data to be quickly and accurately analyzed.. Airman 1st Class Mike Meares, United States Air Force original
Chapter 22: The magnificent spectacle of the Aurora Borealis, or northern lights, glows in the northern sky above Bear Lake near Eielson Air Force Base, Alaska. Shaped by the Earth’s magnetic field, this light is produced by radiation spewed from solar storms. United States Air Force photo by Senior Airman Joshua Strang original
Chapter 23: This wind turbine in the Thames Estuary in the UK is an example of induction at work. Wind pushes the blades of the turbine, spinning a shaft attached to magnets. The magnets spin around a conductive coil, inducing an electric current in the coil, and eventually feeding the electrical grid. Phil Hollman, Wikimedia Commons original
Chapter 24: Human eyes detect these orange “sea goldie” fish swimming over a coral reef in the blue waters of the Gulf of Eilat (Red Sea) using visible light. Daviddarom, Wikimedia Commons original
Chapter 25: Image seen as a result of reflection of light on a plane smooth surface. NASA/Chris Gunn original
Chapter 26: A scientist examines minute details on the surface of a disk drive at a magnification of 100,000 times. The image was produced using an electron microscope. Robert Scoble original
Chapter 27: he colors reflected by this compact disc vary with angle and are not caused by pigments. Colors such as these are direct evidence of the wave character of light. John Liu, Flikr original