Projectile motion, mechanics and electricity and magnetism. Solid understanding of algebra and a basic understanding of trigonometry necessary.
Lessons 

1) Introduction to Vectors and ScalarsDistance, displacement, speed and velocity. Difference between vectors and scalars More free lessons at: http://www.khanacademy.org/video?v=ihNZl701 views

2) Calculating Average Velocity or SpeedExample of calculating speed and velocity More free lessons at: http://www.khanacademy.org/video?v=oRKxm832 views

3) Solving for TimeSimple example of solving for time given distance and rate More free lessons at: http://www.khanacademy.org/video?v=awzOv569 views

4) Displacement from Time and Velocity ExampleWorked example of calculating displacement from time and velocity More free lessons at: http://www.khanacademy.org/video?v=lQdv638 views

5) AccelerationCalculating the acceleration of a Porshe More free lessons at: http://www.khanacademy.org/video?v=FOkQs775 views

6) Newton's First Law of MotionNewton's First Law (Galileo's Law of Inertia). More free lessons at: http://www.khanacademy.org/video?v=CQYEL610 views

7) Newton's Second Law of MotionNewton's Second Law of Motion: F=ma More free lessons at: http://www.khanacademy.org/video?v=ou9YM807 views

8) Newton's Third Law of MotionEvery action has an equal and opposite reaction More free lessons at: http://www.khanacademy.org/video?v=Bygg600 views

9) Airbus A380 Takeoff TimeFiguring how long it takes an a380 to take off given a constant acceleration More free lessons at: http://www.khanacademy.org/video?v=p4DTo789 views

10) Airbus A380 Takeoff DistanceHow long of a runway does as a380 need More free lessons at: http://www.khanacademy.org/video?v=fQt69704 views

11) Why Distance is Area under VelocityTime LineUnderstanding why distance is area under velocitytime line More free lessons at: http://www.khanacademy.org/video?v=d_eq740 views

12) Average Velocity for Constant AccelerationCalculating average velocity when acceleration is constant More free lessons at: http://www.khanacademy.org/video?v=MAS6m751 views

13) Acceleration of Aircraft Carrier TakeoffUsing what we know about takeoff velocity and runway length to determine acceleration More free lessons at: http://www.khanacademy.org/video?v=VYgSX777 views

14) Race Cars with Constant Speed Around CurveWhen acceleration could involve a change in direction and not speed More free lessons at: http://www.khanacademy.org/video?v=ITA1r732 views

15) Introduction to GravityBasics of gravity and the Law of Universal Gravitation More free lessons at: http://www.khanacademy.org/video?v=Xcel4838 views

16) Mass and Weight ClarificationDifference between mass and weight More free lessons at: http://www.khanacademy.org/video?v=IuBoe712 views

17) Gravity for Astronauts in OrbitWhy do astronauts appear weightless despite being near the Earth? More free lessons at: http://www.khanacademy.org/video?v=oIZV769 views

18) Would a Brick or Feather Fall FasterWhat would fall faster on the moon? More free lessons at: http://www.khanacademy.org/video?v=36Rym657 views

19) Deriving Displacement as a Function of Time, Acceleration and Initial VelocityDeriving displacement as a function of time, constant acceleration and initial velocity More free lessons at: http://www.khanacademy.org/video?v=wlB0x765 views

20) Plotting Projectile Displacement, Acceleration, and VelocityPlotting projectile displacement, acceleration, and velocity as a function to change in time More free lessons at: http://www.khanacademy.org/video?v=T0zpF725 views

21) Projectile Height Given TimeFiguring out how high a ball gets given how long it spends in the air More free lessons at: http://www.khanacademy.org/video?v=IYS4B673 views

22) Deriving Max Projectile Displacement Given TimeDeriving a formula for maximum projectile displacement as a function of elapsed time More free lessons at: http://www.khanacademy.org/video?v=P7LKE717 views

23) Impact Velocity From Given HeightDetermining how fast something will be traveling upon impact when it is released from a given height More free lessons at: http://www.khanacademy.org/video?v=2ZgBJ781 views

24) Visualizing Vectors in 2 DimensionsVisualizing, adding and breaking down vectors in 2 dimensions More free lessons at: http://www.khanacademy.org/video?v=xp6ib764 views

25) Projectile at an AngleFiguring out the horizontal displacement for a projectile launched at an angle More free lessons at: http://www.khanacademy.org/video?v=ZZ39o631 views

26) Different Way to Determine Time in AirAnother way to determine time in the air given an initial vertical velocity More free lessons at: http://www.khanacademy.org/video?v=_NWc3698 views

27) Launching and Landing on Different ElevationsMore complicated example involving launching and landing at different elevations More free lessons at: http://www.khanacademy.org/video?v=a5QnX777 views

28) Total Displacement for ProjectileReconstructing the total displacement vector for a projectile More free lessons at: http://www.khanacademy.org/video?v=UXORC779 views

29) Total Final Velocity for ProjectileCalculating the total final velocity for a projectile landing at a different altitude (mistake near end: I write 29.03 when it should be 26.03 m/s and the final total magnitude should be 26.55 m/s 78. ...678 views

30) Correction to Total Final Velocity for ProjectileCorrection to "Total Final Velocity for Projectile" Video More free lessons at: http://www.khanacademy.org/video?v=DNoDJ765 views

31) Projectile on an InclineChallenging problem of a projectile on an inclined plane More free lessons at: http://www.khanacademy.org/video?v=jNESn818 views

32) Unit Vectors and Engineering NotationUsing unit vectors to represent the components of a vector More free lessons at: http://www.khanacademy.org/video?v=2Qjdc606 views

34) Optimal angle for a projectile part 2  HangtimeOptimal angle for a projectile part 2  Hangtime More free lessons at: http://www.khanacademy.org/video?v=XtAB9882 views

35) Optimal angle for a projectile part 3  Horizontal distance as a function of angle (and speed)Horizontal distance as a function of angle (and speed) More free lessons at: http://www.khanacademy.org/video?v=h_x8691 views

37) Normal Force and Contact ForceThe force that keeps a block of ice from falling towards the center of the earth More free lessons at: http://www.khanacademy.org/video?v=1WOrg782 views

38) Normal Force in an ElevatorHow the normal force changes when an elevator accelerates More free lessons at: http://www.khanacademy.org/video?v=hoRsH753 views

39) Inclined Plane Force ComponentsFiguring out the components of the force due to gravity that are parallel and perpendicular to the surface of an inclined plane More free lessons at: http://www.khanacademy.org/video?v=TC23w674 views

40) Ice Accelerating Down an InclineFiguring out the acceleration of ice down a plane made of ice More free lessons at: http://www.khanacademy.org/video?v=Mz2nD701 views

41) Force of Friction Keeping the Block StationaryBlock of wood kept stationary by the force of friction (Correction made in next video) More free lessons at: http://www.khanacademy.org/video?v=v8ODI779 views

42) Correction to Force of Friction Keeping the Block StationaryCorrection to Force of Friction Keeping the Block Stationary More free lessons at: http://www.khanacademy.org/video?v=BukTc760 views

43) Force of Friction Keeping Velocity ConstantCalculating the coefficient of kinetic friction (correction made in next video) More free lessons at: http://www.khanacademy.org/video?v=iA7Th673 views

44) Intuition on Static and Kinetic Friction ComparisonsWhy static friction is harder to overcome than kinetic friction More free lessons at: http://www.khanacademy.org/video?v=J9BWN694 views

45) Static and Kinetic Friction ExampleThinking about the coefficients of static and kinetic friction More free lessons at: http://www.khanacademy.org/video?v=ZA_D4792 views

46) Introduction to TensionAn introduction to tension. Solving for the tension(s) in a set of wires when a weight is hanging from them. More free lessons at: http://www.khanacademy.org/video?v=_UrfH695 views

47) Tension (part 2)A slightly more difficult tension problem. More free lessons at: http://www.khanacademy.org/video?v=zwDJ1651 views

48) Tension in an accelerating system and pie in the faceThe second part to the complicated problem. We figure out the tension in the wire connecting the two masses. Then we figure our how much we need to accelerate a pie for it to safely reach a man's f ...622 views

49) Introduction to MomentumWhat momentum is. A simple problem involving momentum. More free lessons at: http://www.khanacademy.org/video?v=XFhnt691 views

50) Momentum: Ice skater throws a ballA simple conservation of momentum problem involving an ice skater and a ball More free lessons at: http://www.khanacademy.org/video?v=vPkkC638 views

51) 2dimensional momentum problemAn example of conservation of momentum in two dimensions. More free lessons at: http://www.khanacademy.org/video?v=CFygK729 views

52) 2dimensional momentum problem (part 2)We finish the 2dimensional momentum problem More free lessons at: http://www.khanacademy.org/video?v=leudx664 views

53) Introduction to work and energyIntroduction to work and energy More free lessons at: http://www.khanacademy.org/video?v=2WS1s671 views

54) Work and Energy (part 2)More on work. Introduction to Kinetic and Potential Energies. More free lessons at: http://www.khanacademy.org/video?v=3mier680 views

55) Conservation of EnergyUsing the law of conservation of energy to see how potential energy is converted into kinetic energy More free lessons at: http://www.khanacademy.org/video?v=kw_4L798 views

56) Work/Energy problem with FrictionA conservation of energy problem where all of the energy is not conserved. More free lessons at: http://www.khanacademy.org/video?v=YvacY680 views

57) Introduction to mechanical advantageIntroduction to simple machines, mechanical advantage and moments. More free lessons at: http://www.khanacademy.org/video?v=pfzJ653 views

58) Mechanical Advantage (part 2)More on mechanical advantage, levers and moments. More free lessons at: http://www.khanacademy.org/video?v=DiBXx659 views

59) Mechanical Advantage (part 3)Introduction to pulleys and wedges More free lessons at: http://www.khanacademy.org/video?v=vSsK7600 views

60) Center of MassIntroduction to the center of mass More free lessons at: http://www.khanacademy.org/video?v=VrflZ646 views

61) Introduction to TorqueAn introduction to torque More free lessons at: http://www.khanacademy.org/video?v=QhuJn678 views

62) MomentsIntroduction to moments More free lessons at: http://www.khanacademy.org/video?v=ESusD565 views

63) Moments (part 2)2 more moment problems. More free lessons at: http://www.khanacademy.org/video?v=peXbz585 views

64) Unit Vector NotationExpressing a vector as the scaled sum of unit vectors More free lessons at: http://www.khanacademy.org/video?v=FaF3v671 views

65) Unit Vector Notation (part 2)More on unit vector notation. Showing that adding the x and y components of two vectors is equivalent to adding the vectors visually using the headtotail method More free lessons at: http://www.kh ...639 views

66) Projectile Motion with Ordered Set NotationSolving the second part to the projectile motion problem (with wind gust) using ordered set vector notation More free lessons at: http://www.khanacademy.org/video?v=jl_gQ645 views

67) Centripetal Force and Acceleration IntuitionThe direction of the force in cases of circular motion at constant speeds More free lessons at: http://www.khanacademy.org/video?v=vZOk8679 views

68) Visual Understanding of Centripetal Acceleration FormulaVisual understanding of how centripetal acceleration relates to velocity and radius More free lessons at: http://www.khanacademy.org/video?v=NH1_s670 views

69) Relationship between angular velocity and speedHow angular velocity relates to speed More free lessons at: http://www.khanacademy.org/video?v=zAx61760 views

70) Calculus proof of centripetal acceleration formulaProving that a = v^2/r More free lessons at: http://www.khanacademy.org/video?v=XjCEu690 views

71) Loop De Loop QuestionAsks students to find the minimum speed necessary to complete the loop de loop More free lessons at: http://www.khanacademy.org/video?v=wjZb3719 views

72) Loop De Loop Answer part 1Figuring 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=4SQDy740 views

73) Loop De Loop Answer part 2Figuring out the car's average speed while completing the loop de loop More free lessons at: http://www.khanacademy.org/video?v=zcnnZ615 views

74) Acceleration Due to Gravity at the Space StationWhat is the acceleration due to gravity at the space station More free lessons at: http://www.khanacademy.org/video?v=R5CRZ712 views

75) Space Station Speed in OrbitSpeed necessary for the space station to stay in orbit More free lessons at: http://www.khanacademy.org/video?v=9BNkm630 views

76) Conservation of angular momemtumAngular momentum is constant when there is no net torque. More free lessons at: http://www.khanacademy.org/video?v=s_R8d743 views

77) Introduction to Newton's Law of GravitationA little bit on gravity More free lessons at: http://www.khanacademy.org/video?v=391tx716 views

78) Gravitation (part 2)A little bit more on gravity More free lessons at: http://www.khanacademy.org/video?v=8i0j3606 views

79) Intro to springs and Hooke's LawIntroduction to Hooke's Law More free lessons at: http://www.khanacademy.org/video?v=ZzwuH634 views

80) Potential energy stored in a springWork 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=eVl5z699 views

81) Spring potential energy example (mistake in math)A spring, a frozen loopdloop 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=P3QV9663 views

82) Introduction to Harmonic MotionIntuition behind the motion of a mass on a spring (some calculus near the end). More free lessons at: http://www.khanacademy.org/video?v=Nk2q620 views

83) Harmonic Motion Part 2 (calculus)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=xoUpp586 views

84) Harmonic Motion Part 3 (no calculus)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=oqBHB604 views

85) Fluids (part 1)What a fluid is. Difference between liquids and gasses (both fluids). More free lessons at: http://www.khanacademy.org/video?v=Pn5YE770 views

86) Fluids (part 2)Pressure and Pascal's Principal. More free lessons at: http://www.khanacademy.org/video?v=lWDtF702 views

87) Fluids (part 3)Pressure in a fluid at depth More free lessons at: http://www.khanacademy.org/video?v=5EWjl683 views

88) Fluids (part 4)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=i6gz9620 views

89) Fluids (part 5)Introduction to Archimedes' principle and buoyant force. More free lessons at: http://www.khanacademy.org/video?v=vzID7657 views

90) Fluids (part 6)A couple of problems involving Archimedes' principle and buoyant forces. More free lessons at: http://www.khanacademy.org/video?v=wwjtu627 views

91) Fluids (part 7)Introduction to the study of moving fluids. More free lessons at: http://www.khanacademy.org/video?v=G4CgO611 views

92) Fluids (part 8)Beginning of the proof of Bernoulli's Equation. More free lessons at: http://www.khanacademy.org/video?v=uqyLO778 views

93) Fluids (part 9)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=QX2YL590 views

94) Fluids (part 10)Second part of the example that uses Bernoulli's equation. More free lessons at: http://www.khanacademy.org/video?v=NGpJP567 views

95) Fluids (part 11)Clarification of the problem in part 10 More free lessons at: http://www.khanacademy.org/video?v=HnfBF633 views

96) Fluids (part 12)Complete example of a Bernoulli's Equation exercise. More free lessons at: http://www.khanacademy.org/video?v=xlJYY614 views

97) Thermodynamics (part 1)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.khana ...675 views

98) Thermodynamics (part 2)Example problem that pv=pv. Introduction to temperature. More free lessons at: http://www.khanacademy.org/video?v=x34OT776 views

99) Thermodynamics (part 3)Introduction to Kelvin. Example of a problem involving the ideal gas law More free lessons at: http://www.khanacademy.org/video?v=HvYUK632 views

100) Thermodynamics (part 4)Introduction to the concept of a mole. Universal gas constant R. PV=nRT More free lessons at: http://www.khanacademy.org/video?v=5B1i2615 views

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