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  • 09:50 SAT Prep: Test 1 Section 6 Part 5

    SAT Prep: Test 1 Section 6 Part 5

    / 128 views

    Problems 15-17 on page 412

  • 09:49 SAT Prep: Test 1 Section 6 Part 4

    SAT Prep: Test 1 Section 6 Part 4

    / 148 views

    Problems 11-14 on page 411

  • 09:03 SAT Prep: Test 1 Section 6 Part 3

    SAT Prep: Test 1 Section 6 Part 3

    / 124 views

    Problems 6-10 starting on page 409

  • 08:39 SAT Prep: Test 1 Section 6 Part 2

    SAT Prep: Test 1 Section 6 Part 2

    / 138 views

    Problems 5-6 starting on page 408

  • 08:18 SAT Prep: Test 1 Section 6 Part 1

    SAT Prep: Test 1 Section 6 Part 1

    / 124 views

    Problems 1-4 starting on page 407

  • 09:49 SAT Prep: Test 1 Section 3 Part 8

    SAT Prep: Test 1 Section 3 Part 8

    / 145 views

    Problems 19-20 starting on page 400

  • 07:29 SAT Prep: Test 1 Section 3 Part 7

    SAT Prep: Test 1 Section 3 Part 7

    / 154 views

    Problems 17-18 starting on page 399

  • 09:54 SAT Prep: Test 1 Section 3 Part 6

    SAT Prep: Test 1 Section 3 Part 6

    / 131 views

    Problems 15-16 starting on page 399

  • 08:39 SAT Prep: Test 1 Section 3 Part 5

    SAT Prep: Test 1 Section 3 Part 5

    / 141 views

    Problems 13-14 starting on page 398

  • 09:57 SAT Prep: Test 1 Section 3 Part 4

    SAT Prep: Test 1 Section 3 Part 4

    / 131 views

    Problems 11-12 starting on page 398

  • 08:52 SAT Prep: Test 1 Section 3 Part 3

    SAT Prep: Test 1 Section 3 Part 3

    / 121 views

    Problems 7-10 starting on page 397

  • 09:58 SAT Prep: Test 1 Section 3 Part 2

    SAT Prep: Test 1 Section 3 Part 2

    / 143 views

    Problems 4-7 starting on page 396

  • 09:58 SAT prep: test 1 section3 part 1

    SAT prep: test 1 section3 part 1

    / 138 views

    Problems 1-3 starting on page 395 of College Board Official SAT Study Guide

  • 07:31 Viewing g as the value of Earth's Gravitational Field Near the Surface

    Viewing g as the value of Earth's Gravitational Field Near the Surface

    / 115 views

    Viewing g as the value of Earth's gravitational field near the surface rather than the acceleration due to gravity near Earth's surface for an object in freefall More free lessons at: http://www.khanacademy.org/video?v=1E3Z_R5AHdg

  • 02:22 Object Image Height and Distance Relationship

    Object Image Height and Distance Relationship

    / 98 views

    Object Image Height and Distance Relationship More free lessons at: http://www.khanacademy.org/video?v=acQYX4nwhCk

  • 12:29 Object Image and Focal Distance Relationship (Proof of Formula)

    Object Image and Focal Distance Relationship (Proof of Formula)

    / 146 views

    Object Image and Focal Distance Relationship (Proof of Formula) More free lessons at: http://www.khanacademy.org/video?v=rse0I7rZ8jM

  • 03:06 Concave Lenses

    Concave Lenses

    / 96 views

    Concave Lenses More free lessons at: http://www.khanacademy.org/video?v=Vh70PyitQzo

  • 09:36 Convex Lens Examples

    Convex Lens Examples

    / 130 views

    Convex Lens Examples More free lessons at: http://www.khanacademy.org/video?v=xxF_mdoZom0

  • 09:23 Convex Lenses

    Convex Lenses

    / 104 views

    Convex Lenses More free lessons at: http://www.khanacademy.org/video?v=K0sjZ5nqQ7g

  • 06:00 Convex Parabolic Mirrors

    Convex Parabolic Mirrors

    / 124 views

    Convex Parabolic Mirrors More free lessons at: http://www.khanacademy.org/video?v=dWY25vb1ZB0

  • 12:49 Parabolic Mirrors 2

    Parabolic Mirrors 2

    / 102 views

    Parabolic Mirrors 2 More free lessons at: http://www.khanacademy.org/video?v=7m0u6dxA5Xo

  • 11:37 Parabolic Mirrors and Real Images

    Parabolic Mirrors and Real Images

    / 120 views

    Parabolic Mirrors and Real Images More free lessons at: http://www.khanacademy.org/video?v=8X1AS9qD5AQ

  • 07:53 Virtual Image

    Virtual Image

    / 118 views

    Virtual Image More free lessons at: http://www.khanacademy.org/video?v=nrOg85VPQgw

  • 07:55 Total Internal Reflection

    Total Internal Reflection

    / 109 views

    Critical incident angle and total internal reflection More free lessons at: http://www.khanacademy.org/video?v=WRuatAcd2WY

  • 11:25 Snell's Law Example 2

    Snell's Law Example 2

    / 108 views

    Snell's Law Example 2 More free lessons at: http://www.khanacademy.org/video?v=10LuSfZZa3E

  • 10:44 Snell's Law Examples 1

    Snell's Law Examples 1

    / 86 views

    Snell's Law Examples 1 More free lessons at: http://www.khanacademy.org/video?v=HahjsBApxLE

  • 04:25 Refraction in Water

    Refraction in Water

    / 172 views

    Refraction in Water More free lessons at: http://www.khanacademy.org/video?v=jxptCXHLxKQ

  • 14:24 Refraction and Snell's Law

    Refraction and Snell's Law

    / 137 views

    Refraction and Snell's Law More free lessons at: http://www.khanacademy.org/video?v=y55tzg_jW9I

  • 07:42 Specular and Diffuse Reflection 2

    Specular and Diffuse Reflection 2

    / 102 views

    Specular and Diffuse Reflection 2 More free lessons at: http://www.khanacademy.org/video?v=XR52dXLyz-M

  • 11:00 Specular and Diffuse Reflection

    Specular and Diffuse Reflection

    / 100 views

    Specular and Diffuse Reflection More free lessons at: http://www.khanacademy.org/video?v=sd0BOnN6aNY

  • 04:04 Mach Numbers

    Mach Numbers

    / 112 views

    Mach numbers More free lessons at: http://www.khanacademy.org/video?v=VlaGxYjnoPY

  • 07:35 When the source and the wave move at the same velocity

    When the source and the wave move at the same velocity

    / 111 views

    When the source and the wave move at the same velocity More free lessons at: http://www.khanacademy.org/video?v=4Xgk3vusxT8

  • 09:18 Doppler effect formula when source is moving away

    Doppler effect formula when source is moving away

    / 121 views

    Doppler effect formula when source is moving away More free lessons at: http://www.khanacademy.org/video?v=KkJ0wL9f2VY

  • 10:13 Doppler effect formula for observed frequency

    Doppler effect formula for observed frequency

    / 127 views

    Doppler effect formula for observed frequency More free lessons at: http://www.khanacademy.org/video?v=kGrk6V8tWDY

  • 10:37 Introduction to the Doppler Effect

    Introduction to the Doppler Effect

    / 129 views

    Introduction to the Doppler Effect More free lessons at: http://www.khanacademy.org/video?v=dc7l7Qqa8xk

  • 14:27 Amplitude, Period, Frequency and Wavelength of Periodic Waves

    Amplitude, Period, Frequency and Wavelength of Periodic Waves

    / 217 views

    Amplitude, period, frequency and wavelength of periodic waves More free lessons at: http://www.khanacademy.org/video?v=tJW_a6JeXD8

  • 13:03 Introduction to Waves

    Introduction to Waves

    / 101 views

    Introduction to transverse and longitudinal waves More free lessons at: http://www.khanacademy.org/video?v=c38H6UKt3_I

  • 09:47 Calculating dot and cross products with unit vector notation

    Calculating dot and cross products with unit vector notation

    / 97 views

    Calculating the dot and cross products when vectors are presented in their x, y, and z (or i,j, and k) components. More free lessons at: http://www.khanacademy.org/video?v=enr7JqvehJs

  • 10:46 Dot vs. Cross Product

    Dot vs. Cross Product

    / 124 views

    Understanding the differences between the dot and cross products More free lessons at: http://www.khanacademy.org/video?v=E34CftP455k

  • 10:33 The dot product

    The dot product

    / 96 views

    Introduction to the vector dot product. More free lessons at: http://www.khanacademy.org/video?v=KDHuWxy53uM

  • 12:08 Magnetism 12: Induced Current in a Wire

    Magnetism 12: Induced Current in a Wire

    / 95 views

    Induced current and EMF in a moving wire from a magnetic field. More free lessons at: http://www.khanacademy.org/video?v=KuUMUvwvML8

  • 06:41 Magnetism 11: Electric Motors

    Magnetism 11: Electric Motors

    / 121 views

    Using a commutator to solve the flipping problem and create an electric motor. More free lessons at: http://www.khanacademy.org/video?v=XMkUDyl1ZRo

  • 10:37 Magnetism 10: Electric Motors

    Magnetism 10: Electric Motors

    / 85 views

    Why the circuit will keep flipping over. More free lessons at: http://www.khanacademy.org/video?v=cePkWyXRvIQ

  • 10:36 Magnetism 9: Electric Motors

    Magnetism 9: Electric Motors

    / 105 views

    Using a magnetic field to exert torque on a rotating circuit. More free lessons at: http://www.khanacademy.org/video?v=pAgPfr7MkkU

  • 11:01 Magnetism 8

    Magnetism 8

    / 101 views

    More on the forces exerted by 2 current carrying wires on each other. More free lessons at: http://www.khanacademy.org/video?v=4tctB1wZNiI

  • 11:00 Magnetism 7

    Magnetism 7

    / 96 views

    The magnetic force that two current-carrying wires exert on each other. More free lessons at: http://www.khanacademy.org/video?v=l3hw0twZSCc

  • 09:42 Magnetism 6: Magnetic field due to current

    Magnetism 6: Magnetic field due to current

    / 125 views

    See how a wire carrying a current creates a magnetic field. More free lessons at: http://www.khanacademy.org/video?v=Ri557hvwhcM

  • 10:55 Magnetism 5

    Magnetism 5

    / 98 views

    Magnetic force on a wire carrying current. More free lessons at: http://www.khanacademy.org/video?v=jQ2nD8ZGeEw

  • 10:39 Magnetism 4

    Magnetism 4

    / 75 views

    Part 2 of the proton through a magnetic field problem More free lessons at: http://www.khanacademy.org/video?v=b1QFKLZC11U

  • 10:48 Magnetism 3

    Magnetism 3

    / 90 views

    Whats happens when a speeding proton goes through a magnetic field More free lessons at: http://www.khanacademy.org/video?v=LTuGQy4rmmo

  • 08:59 Magnetism 2

    Magnetism 2

    / 113 views

    Magnetic fields and their effects on moving electrical charges More free lessons at: http://www.khanacademy.org/video?v=NnlAI4ZiUrQ

  • 10:44 Introduction to Magnetism

    Introduction to Magnetism

    / 123 views

    An introduction to magnetism More free lessons at: http://www.khanacademy.org/video?v=8Y4JSp5U82I

  • 10:01 Cross Product and Torque

    Cross Product and Torque

    / 110 views

    The cross product and the direction of torque. More free lessons at: http://www.khanacademy.org/video?v=s38l6nmTrvM

  • 10:53 Cross Product 2

    Cross Product 2

    / 85 views

    A little more intuition on the cross product. More free lessons at: http://www.khanacademy.org/video?v=o_puKe_lTKk

  • 10:03 Cross product 1

    Cross product 1

    / 103 views

    Introduction to the cross product More free lessons at: http://www.khanacademy.org/video?v=zA0fvwtvgvA

  • 07:07 Circuits (part 4)

    Circuits (part 4)

    / 81 views

    A hairy resistance problem More free lessons at: http://www.khanacademy.org/video?v=3NcIK0s3IwU

  • 12:21 Circuits (part 3)

    Circuits (part 3)

    / 78 views

    Resistors in parallel More free lessons at: http://www.khanacademy.org/video?v=ZrMw7P6P2Gw

  • 11:08 Circuits (part 2)

    Circuits (part 2)

    / 97 views

    Resistors in series More free lessons at: http://www.khanacademy.org/video?v=7vHh1sfZ5KE

  • 11:40 Circuits (part 1)

    Circuits (part 1)

    / 102 views

    Introduction to electricity, circuits, current and resistance More free lessons at: http://www.khanacademy.org/video?v=3o8_EARoMtg

  • 13:35 Capacitance

    Capacitance

    / 94 views

    Introduction to the capacitance of a two place capacitor More free lessons at: http://www.khanacademy.org/video?v=ngOC4eUQl8Y

  • 08:56 Voltage

    Voltage

    / 104 views

    Difference between electrical potential (voltage) and electrical potential energy More free lessons at: http://www.khanacademy.org/video?v=zqGvUbvVQXg

  • 09:51 Electric Potential Energy (part 2-- involves calculus)

    Electric Potential Energy (part 2-- involves calculus)

    / 109 views

    Electric potential energy difference in a varying field More free lessons at: http://www.khanacademy.org/video?v=CqsYCIjSm9A

  • 12:37 Electric Potential Energy

    Electric Potential Energy

    / 126 views

    Introduction to electric potential More free lessons at: http://www.khanacademy.org/video?v=elJUghWSVh4

  • 11:29 Proof (Advanced): Field from infinite plate (part 2)

    Proof (Advanced): Field from infinite plate (part 2)

    / 115 views

    We see that the infinite, uniformly charged plate generates a constant electric field (independent of the height above the plate) More free lessons at: http://www.khanacademy.org/video?v=TxwE4_dXo8s

  • 13:27 Proof (Advanced): Field from infinite plate (part 1)

    Proof (Advanced): Field from infinite plate (part 1)

    / 114 views

    Electric field generated by a uniformly charged, infinite plate More free lessons at: http://www.khanacademy.org/video?v=prLfVucoxpw

  • 13:33 Electrostatics (part 2)

    Electrostatics (part 2)

    / 89 views

    Electric Fields More free lessons at: http://www.khanacademy.org/video?v=0YOGrTNgGhE

  • 14:02 Electrostatics (part 1): Introduction to Charge and Coulomb's Law

    Electrostatics (part 1): Introduction to Charge and Coulomb's Law

    / 132 views

    Introduction to Charge and Coulomb's Law (video from May 2008 that I forgot to upload) More free lessons at: http://www.khanacademy.org/video?v=NXMgvrS8Gr8

  • 08:02 Thermodynamics (part 5)

    Thermodynamics (part 5)

    / 82 views

    Example problem involving PV=nRT More free lessons at: http://www.khanacademy.org/video?v=UekR9J31a2o

  • 10:14 Thermodynamics (part 4)

    Thermodynamics (part 4)

    / 90 views

    Introduction to the concept of a mole. Universal gas constant R. PV=nRT More free lessons at: http://www.khanacademy.org/video?v=5B1i26dUwME

  • 10:25 Thermodynamics (part 3)

    Thermodynamics (part 3)

    / 101 views

    Introduction to Kelvin. Example of a problem involving the ideal gas law More free lessons at: http://www.khanacademy.org/video?v=HvYUKRMT0VI

  • 10:18 Thermodynamics (part 2)

    Thermodynamics (part 2)

    / 78 views

    Example problem that pv=pv. Introduction to temperature. More free lessons at: http://www.khanacademy.org/video?v=x34OTtDE5q8

  • 09:50 Thermodynamics (part 1)

    Thermodynamics (part 1)

    / 106 views

    Intuition of how gases generate pressure in a container and why pressure x volume is proportional to the combined kinetic energy of the molecules in the volume. More free lessons at: http://www.khanacademy.org/video?v=tQcB9BLUoVI

  • 07:47 Fluids (part 12)

    Fluids (part 12)

    / 83 views

    Complete example of a Bernoulli's Equation exercise. More free lessons at: http://www.khanacademy.org/video?v=xlJYYM5TWoA

  • 05:20 Fluids (part 11)

    Fluids (part 11)

    / 71 views

    Clarification of the problem in part 10 More free lessons at: http://www.khanacademy.org/video?v=HnfBFeLunk4

  • 08:36 Fluids (part 10)

    Fluids (part 10)

    / 95 views

    Second part of the example that uses Bernoulli's equation. More free lessons at: http://www.khanacademy.org/video?v=NGpJPz44JYc

  • 10:09 Fluids (part 9)

    Fluids (part 9)

    / 93 views

    Second part of the Bernoulli's Equation proof. Beginning of a problem that uses the equation. More free lessons at: http://www.khanacademy.org/video?v=QX2YLR09Q78

  • 10:08 Fluids (part 8)

    Fluids (part 8)

    / 86 views

    Beginning of the proof of Bernoulli's Equation. More free lessons at: http://www.khanacademy.org/video?v=uqyLOuAzbvo

  • 10:00 Fluids (part 7)

    Fluids (part 7)

    / 78 views

    Introduction to the study of moving fluids. More free lessons at: http://www.khanacademy.org/video?v=G4CgOF4ccXk

  • 09:42 Fluids (part 6)

    Fluids (part 6)

    / 81 views

    A couple of problems involving Archimedes' principle and buoyant forces. More free lessons at: http://www.khanacademy.org/video?v=wwjtuZ5vTvc

  • 08:42 Fluids (part 5)

    Fluids (part 5)

    / 92 views

    Introduction to Archimedes' principle and buoyant force. More free lessons at: http://www.khanacademy.org/video?v=vzID7ds600c

  • 10:09 Fluids (part 4)

    Fluids (part 4)

    / 87 views

    Using our understanding of fluid pressure to figure out the height of a column of mercury. More free lessons at: http://www.khanacademy.org/video?v=i6gz9VFyYks

  • 09:55 Fluids (part 3)

    Fluids (part 3)

    / 78 views

    Pressure in a fluid at depth More free lessons at: http://www.khanacademy.org/video?v=5EWjlpc0S00

  • 10:13 Fluids (part 2)

    Fluids (part 2)

    / 91 views

    Pressure and Pascal's Principal. More free lessons at: http://www.khanacademy.org/video?v=lWDtFHDVqqk

  • 09:47 Fluids (part 1)

    Fluids (part 1)

    / 88 views

    What a fluid is. Difference between liquids and gasses (both fluids). More free lessons at: http://www.khanacademy.org/video?v=Pn5YEMwQb4Y

  • 09:44 Harmonic Motion Part 3 (no calculus)

    Harmonic Motion Part 3 (no calculus)

    / 109 views

    Figuring out the period, frequency, and amplitude of the harmonic motion of a mass attached to a spring. More free lessons at: http://www.khanacademy.org/video?v=oqBHBO8cqLI

  • 09:46 Harmonic Motion Part 2 (calculus)

    Harmonic Motion Part 2 (calculus)

    / 103 views

    We test whether Acos(wt) can describe the motion of the mass on a spring by substituting into the differential equation F=-kx More free lessons at: http://www.khanacademy.org/video?v=xoUppFlif04

  • 10:04 Introduction to Harmonic Motion

    Introduction to Harmonic Motion

    / 100 views

    Intuition behind the motion of a mass on a spring (some calculus near the end). More free lessons at: http://www.khanacademy.org/video?v=Nk2q-_jkJVs

  • 09:39 Spring potential energy example (mistake in math)

    Spring potential energy example (mistake in math)

    / 119 views

    A spring, a frozen loop-d-loop and more! (See if you can find the mistake I made and get the right answer!) More free lessons at: http://www.khanacademy.org/video?v=P3QV9ktuYlQ

  • 10:00 Potential energy stored in a spring

    Potential energy stored in a spring

    / 115 views

    Work needed to compress a spring is the same thing as the potential energy stored in the compressed spring. More free lessons at: http://www.khanacademy.org/video?v=eVl5zs6Lqy0

  • 10:06 Intro to springs and Hooke's Law

    Intro to springs and Hooke's Law

    / 111 views

    Introduction to Hooke's Law More free lessons at: http://www.khanacademy.org/video?v=ZzwuHS9ldbY

  • 08:17 Gravitation (part 2)

    Gravitation (part 2)

    / 103 views

    A little bit more on gravity More free lessons at: http://www.khanacademy.org/video?v=8i0j3j16yFk

  • 08:38 Introduction to Newton's Law of Gravitation

    Introduction to Newton's Law of Gravitation

    / 103 views

    A little bit on gravity More free lessons at: http://www.khanacademy.org/video?v=391txUI76gM

  • 10:12 Conservation of angular momemtum

    Conservation of angular momemtum

    / 101 views

    Angular momentum is constant when there is no net torque. More free lessons at: http://www.khanacademy.org/video?v=s_R8d3isJDA

  • 06:36 Space Station Speed in Orbit

    Space Station Speed in Orbit

    / 138 views

    Speed necessary for the space station to stay in orbit More free lessons at: http://www.khanacademy.org/video?v=9BNkmfHYYYI

  • 10:13 Acceleration Due to Gravity at the Space Station

    Acceleration Due to Gravity at the Space Station

    / 186 views

    What is the acceleration due to gravity at the space station More free lessons at: http://www.khanacademy.org/video?v=R5CRZONOHCU

  • 04:48 Loop De Loop Answer part 2

    Loop De Loop Answer part 2

    / 120 views

    Figuring out the car's average speed while completing the loop de loop More free lessons at: http://www.khanacademy.org/video?v=zcnnZz2pCSg

  • 06:05 Loop De Loop Answer part 1

    Loop De Loop Answer part 1

    / 136 views

    Figuring out the minimum speed at the top of the loop de loop to stay on the track More free lessons at: http://www.khanacademy.org/video?v=4SQDybFjhRE

  • 03:01 Loop De Loop Question

    Loop De Loop Question

    / 132 views

    Asks students to find the minimum speed necessary to complete the loop de loop More free lessons at: http://www.khanacademy.org/video?v=wjZb3zPuoeA

  • 14:22 Calculus proof of centripetal acceleration formula

    Calculus proof of centripetal acceleration formula

    / 139 views

    Proving that a = v^2/r More free lessons at: http://www.khanacademy.org/video?v=XjCEumlJBno

  • 09:24 Relationship between angular velocity and speed

    Relationship between angular velocity and speed

    / 106 views

    How angular velocity relates to speed More free lessons at: http://www.khanacademy.org/video?v=zAx61CO5mDw

  • 09:48 Visual Understanding of Centripetal Acceleration Formula

    Visual Understanding of Centripetal Acceleration Formula

    / 174 views

    Visual understanding of how centripetal acceleration relates to velocity and radius More free lessons at: http://www.khanacademy.org/video?v=NH1_sO8QY3o

  • 10:47 Centripetal Force and Acceleration Intuition

    Centripetal Force and Acceleration Intuition

    / 126 views

    The direction of the force in cases of circular motion at constant speeds More free lessons at: http://www.khanacademy.org/video?v=vZOk8NnjILg

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