One dimensional motion

Introduction to physics | One-dimensional motion | Physics |

Intro to vectors & scalars | One-dimensional motion | Physics

Introduction to frames of reference

Calculating average velocity or speed | One-dimensional motion | Physics

Solving for time | One-dimensional motion | Physics |

Displacement from time and velocity example | One-dimensional motion | Physics |

Instantaneous speed and velocity | One-dimensional motion | Physics |

Position vs. time graphs | One-dimensional motion | Physics

Acceleration | One-dimensional motion | Physics |

Airbus A380 take-off time | One-dimensional motion | Physics |

Airbus A380 take-off distance | One-dimensional motion | Physics |

Why distance is area under velocity-time line | Physics

Acceleration vs. time graphs | One-dimensional motion | Physics |

Average velocity for constant acceleration | One-dimensional motion | Physics

Acceleration of aircraft carrier take-off | One-dimensional motion | Physics |

Airbus A380 take-off distance | One-dimensional motion | Physics |

Deriving displacement as a function of time, acceleration, and initial velocity |

Plotting projectile displacement, acceleration, and velocity

Projectile height given time | One-dimensional motion | Physics |

Deriving max projectile displacement given time | Physics

Impact velocity from given height | One-dimensional motion | Physics

Viewing g as the value of Earth's gravitational field near the surface |

Choosing kinematic equations | One-dimensional motion | AP Physics 1 |

Projectile motion (part 1) | One-dimensional motion | Physics

Projectile motion (part 2) | One-dimensional motion | Physics |

Projectile motion (part 3) | One-dimensional motion | Physics |

Projectile motion (part 4) | One-dimensional motion | Physics |

Projectile motion (part 5) | One-dimensional motion | Physics |

Two dimensional motion

Horizontally launched projectile | Two-dimensional motion | Physics |

Visualizing vectors in 2 dimensions | Two-dimensional motion | Physics |

Projectile at an angle | Two-dimensional motion | Physics |

Launching and landing on different elevations | Two-dimensional motion | Physics |

Total displacement for projectile | Two-dimensional motion | Physics |

Total final velocity for projectile | Two-dimensional motion | Physics |

Correction to total final velocity for projectile | Physics |

Projectile on an incline | Two-dimensional motion | Physics |

Unit vectors and engineering notation | Two-dimensional motion | Physics |

Unit vector notation | Two-dimensional motion | Physics |

Unit vector notation (part 2) | Two-dimensional motion | Physics |

Projectile motion with ordered set notation | Physics |

Optimal angle for a projectile part 1: Components of initial velocity

Optimal angle for a projectile part 2: Hangtime | Physics |

Optimal angle for a projectile part 3: Horizontal distance as a function of angle (and speed)

Optimal angle for a projectile part 4: Finding the optimal angle and distance with a bit of calculus

Forces and Newton's laws of motion

Newton's first law of motion | Forces and Newton's laws of motion | Physics |

More on Newton's first law of motion | Physics |

Newton's first law of motion concepts | Physics |

Newton's second law of motion | Forces and Newton's laws of motion | Physics |

More on Newton's second law | Physics |

Newton's third law of motion | Forces and Newton's laws of motion | Physics |

More on Newton's third law | Forces and Newton's laws of motion | Physics |

Normal force and contact force | Forces and Newton's laws of motion | Physics |

Normal force in an elevator | Forces and Newton's laws of motion | Physics |

More on Normal force (shoe on floor) | Physics

More on Normal force (shoe on wall) | Physics |

Balanced and unbalanced forces | Forces and Newton's laws of motion | Physics |

Unbalanced forces and motion | Forces and Newton's laws of motion | Physics

Slow sock on Lubricon VI | Forces and Newton's laws of motion | Physics |

Normal forces on Lubricon VI | Forces and Newton's laws of motion | Physics |

Inclined plane force components | Forces and Newton's laws of motion | Physics |

Ice accelerating down an incline | Forces and Newton's laws of motion | Physics |

Force of friction keeping the block stationary | Physics |

Correction to force of friction keeping the block stationary | Physics |

Force of friction keeping velocity constant | Physics |

Intuition on static and kinetic friction comparisons | Physics |

Static and kinetic friction example | Forces and Newton's laws of motion | Physics |

The force of tension | Forces and Newton's laws of motion | Physics |

Mild and medium tension | Forces and Newton's laws of motion | Physics |

Super hot tension | Forces and Newton's laws of motion | Physics |

Introduction to tension | Forces and Newton's laws of motion | Physics |

Introduction to tension (part 2) | Forces and Newton's laws of motion | Physics

Tension in an accelerating system and pie in the face | Physics |

Treating systems (the hard way) | Forces and Newton's laws of motion | Physics

Treating systems (the easy way) | Forces and Newton's laws of motion | Physics |

Two masses hanging from a pulley | Forces and Newton's laws of motion | Physics |

Three box system problem | Forces and Newton's laws of motion | Physics |

Masses on incline system problem | Forces and Newton's laws of motion | Physics |

Centripetal force and gravitation

Race cars with constant speed around curve | Physics |

Centripetal force and acceleration intuition | Physics |

Visual understanding of centripetal acceleration formula | Physics |

Optimal turns at Indianapolis Motor Speedway with JR Hildebrand | Physics |

Calculus proof of centripetal acceleration formula | Physics |

Loop de loop question | Centripetal force and gravitation | Physics |

Loop de loop answer part 1 | Centripetal force and gravitation | Physics |

Loop de loop answer part 2 | Centripetal force and gravitation | Physics |

Centripetal force problem solving | Centripetal force and gravitation | Physics |

Yo-yo in vertical circle example | Centripetal force and gravitation | Physics |

Bowling ball in vertical loop | Centripetal force and gravitation | Physics |

Mass swinging in a horizontal circle | Centripetal force and gravitation | Physics |

Introduction to gravity | Centripetal force and gravitation | Physics |

Mass and weight clarification | Centripetal force and gravitation | Physics |

Gravity for astronauts in orbit | Centripetal force and gravitation | Physics |

Would a brick or feather fall faster? | Physics |

Acceleration due to gravity at the space station | Physics |

Space station speed in orbit | Centripetal force and gravitation | Physics

Introduction to Newton's law of gravitation | Physics |

Gravitation (part 2) | Centripetal force and gravitation | Physics |

Work and energy

Introduction to work and energy | Work and energy | Physics |

Work and energy (part 2) | Work and energy | Physics |

Conservation of energy | Work and energy | Physics |

Work and the work-energy principle | Physics |

Work as the transfer of energy | Work and energy | Physics |

Work example problems | Work and energy | Physics |

Work as area under curve | Work and energy | Physics |

Thermal energy from friction | Work and energy | Physics |

Work/energy problem with friction | Work and energy | Physics |

Conservative forces | Work and energy | Physics |

Power | Work and energy | Physics |

Intro to springs and Hooke's law | Work and energy | Physics |

Potential energy stored in a spring | Work and energy | Physics |

Spring potential energy example (mistake in math) | Physics |

LOL diagrams | Work and energy | Physics |

Vertical springs and energy conservation | Work and energy | Physics

Introduction to mechanical advantage | Work and energy | Physics |

Mechanical advantage (part 2) | Work and energy | Physics |

Mechanical advantage (part 3) | Work and energy | Physics

Impacts and linear momentum

Introduction to momentum | Impacts and linear momentum | Physics |

Impulse and momentum dodgeball example | Physics |

Bouncing fruit collision example | Impacts and linear momentum | Physics |

Momentum: Ice skater throws a ball | Impacts and linear momentum | Physics |

2-dimensional momentum problem | Impacts and linear momentum | Physics |

2-dimensional momentum problem (part 2) | Physics |

Force vs. time graphs | Impacts and linear momentum | Physics |

Elastic and inelastic collisions | Impacts and linear momentum | Physics |

Solving elastic collision problems the hard way | Physics |

Deriving the shortcut to solve elastic collision problems | Physics

How to use the shortcut for solving elastic collisions | Physics |

Center of mass | Impacts and linear momentum | Physics |

Center of mass equation | Impacts and linear momentum | Physics |

Torque and angular momentum

Angular motion variables | Moments, torque, and angular momentum | Physics

Relating angular and regular motion variables | Physics |

Relationship between angular velocity and speed | Physics |

Rotational kinematic formulas | Moments, torque, and angular momentum | Physics |

Introduction to torque | Moments, torque, and angular momentum | Physics |

Moments | Moments, torque, and angular momentum | Physics |

Moments (part 2) | Moments, torque, and angular momentum | Physics |

Finding torque for angled forces | Physics

Rotational version of Newton's second law | Physics |

More on moment of inertia | Moments, torque, and angular momentum | Physics |

Rotational kinetic energy | Moments, torque, and angular momentum | Physics |

Rolling without slipping problems | Physics |

Angular momentum | Moments, torque, and angular momentum | Physics |

Constant angular momentum when no net torque | Physics

Angular momentum of an extended object | Physics |

Ball hits rod angular momentum example | Physics |

Cross product and torque | Moments, torque, and angular momentum | Physics |

Oscillations and mechanical waves

Intuition about simple harmonic oscillators | Physics

Definition of Amplitude and Period | Physics |

Equation for simple harmonic oscillators | Physics |

Period dependence for mass on spring | Physics |

Pendulums | Oscillations and mechanical waves | Physics

Introduction to harmonic motion | Oscillatory motion | Physics

Harmonic motion part 2 (calculus) | Oscillatory motion | Physics |

Harmonic motion part 3 (no calculus) | Oscillatory motion | Physics |

Introduction to waves | Mechanical waves and sound | Physics |

Amplitude, period, frequency and wavelength of periodic waves | Physics |

The equation of a wave | Physics |

Production of sound | Mechanical waves and sound | Physics

Sound Properties (Amplitude, Period, Frequency, Wavelength) | Physics

Speed of Sound | Mechanical waves and sound | Physics |

Relative speed of sound in solids, liquids, and gases | Physics |

Mach numbers | Mechanical waves and sound | Physics |

Decibel Scale | Mechanical waves and sound | Physics |

Why do sounds get softer? | Mechanical waves and sound | Physics |

Ultrasound medical imaging | Mechanical waves and sound | Physics |

Introduction to the doppler effect | Mechanical waves and sound | Physics |

Doppler effect formula for observed frequency | Physics |

Doppler effect formula when source is moving away | Physics |

When the source and the wave move at the same velocity | Physics |

Doppler effect: reflection off a moving object | Physics |

Wave interference | Mechanical waves and sound | Physics |

Constructive and Destructive interference | Physics |

Standing waves in open tubes | Mechanical waves and sound | Physics |

Standing waves in closed tubes | Mechanical waves and sound | Physics |

Beat frequency | Physics |

Derivation of beat frequency formula | Physics |

Fluids

Specific gravity | Fluids | Physics |

Pressure and Pascal's principle (part 1) | Fluids | Physics

Pressure and Pascal's principle (part 2) | Fluids | Physics |

Pressure at a depth in a fluid | Fluids | Physics

Finding height of fluid in a barometer | Fluids | Physics |

Archimedes principle and buoyant force | Fluids | Physics |

Buoyant force example problems | Fluids | Physics

Volume flow rate and equation of continuity | Fluids | Physics |

Bernoulli's equation (part 1) | Fluids | Physics |

Bernoulli's equation (part 2) | Fluids | Physics

Bernoulli's equation (part 4) | Fluids | Physics |

Bernoulli's example problem | Fluids | Physics |

Viscosity and Poiseuille flow | Fluids | Physics |

Turbulence at high velocities and Reynold's number | Physics |

Venturi effect and Pitot tubes | Fluids | Physics

Surface Tension and Adhesion | Fluids | Physics |

Thermodynamics

Thermodynamics part 1: Molecular theory of gases | Physics |

Thermodynamics part 2: Ideal gas law | Thermodynamics | Physics |

Thermodynamics part 3: Kelvin scale and Ideal gas law example | Physics |

Thermodynamics part 4: Moles and the ideal gas law | Physics |

Thermodynamics part 5: Molar ideal gas law problem | Physics |

Maxwell Boltzmann distribution | Thermodynamics | Physics |

Specific heat and latent leat of fusion and vaporization | Chemistry |

Thermal conduction, convection, and radiation | Thermodynamics | Physics |

Thermal conduction | Thermodynamics | Physics |

Thermal conductivity of metal and wood | Thermodynamics | Physics |

Intuition behind formula for thermal conductivity | Physics |

Macrostates and microstates | Thermodynamics | Physics |

Quasistatic and reversible processes | Thermodynamics | Physics |

First law of thermodynamics / internal energy | Thermodynamics | Physics |

More on internal energy | Thermodynamics | Physics |

Work from expansion | Thermodynamics | Physics |

PV-diagrams and expansion work | Thermodynamics | Physics

Proof: U = (3/2)PV or U = (3/2)nRT | Thermodynamics | Physics |

Work done by isothermic process | Thermodynamics | Physics

Carnot cycle and Carnot engine | Thermodynamics | Physics |

Proof: Volume ratios in a carnot cycle | Thermodynamics | Physics |

Proof: S (or entropy) is a valid state variable | Thermodynamics | Physics |

Thermodynamic entropy definition clarification | Physics |

Reconciling thermodynamic and state definitions of entropy | Physics |

Entropy intuition | Thermodynamics | Physics |

Maxwell's demon | Thermodynamics | Physics |

More on entropy | Thermodynamics | Physics |

Efficiency of a Carnot engine | Thermodynamics | Physics |

Carnot efficiency 2: Reversing the cycle | Thermodynamics | Physics |

Carnot efficiency 3: Proving that it is the most efficient | Physics |

Electric charge, field and potential

Triboelectric effect and charge | Physics |

Coulomb's Law | Electrostatics | Electrical engineering |

Conductors and Insulators | Physics |

Conservation of Charge | Electric charge, electric force, and voltage | Physics |

Electric field definition | Electric charge, field, and potential | Physics |

Electric field direction | Electric charge, field, and potential | Physics |

Magnitude of electric field created by a charge | Physics

Net electric field from multiple charges in 1D | Physics |

Net electric field from multiple charges in 2D | Physics |

Net electric field from multiple charges in 2D | Physics

Net electric field from multiple charges in 2D | Physics |

Proof: Field from infinite plate (part 2) | Electrostatics | Electrical engineering |

Proof: Field from infinite plate (part 2) | Electrostatics | Electrical engineering

Electric potential energy (part 2-- involves calculus) | Physics |

Voltage | Electric charge, electric force, and voltage | Physics |

Electric potential energy of charges | Physics |

Electric potential at a point in space | Physics |

Electric potential charge configuration | Physics |

Circuits

Introduction to circuits and Ohm's law | Circuits | Physics

Resistors in series | Circuits | Physics |

Resistors in parallel | Circuits | Physics |

Example: Analyzing a more complex resistor circuit | Physics

Analyzing a resistor circuit with two batteries | Electrical engineering |

Resistivity and conductivity | Circuits | Physics |

Resistivity and conductivity | Circuits | Physics

Kirchhoff's voltage law | Circuit analysis | Electrical engineering |

Voltmeters and Ammeters | Circuits | Physics |

Electrolytic conductivity | Circuits | Physics |

Capacitors and capacitance | Circuits | Physics |

Capacitance | Circuits | Physics |

Energy of a capacitor | Circuits | Physics |

Capacitors in series | Circuits | Physics

Capacitors in series | Circuits | Physics |

Magnetic forces magnetic fields and Faraday's laws

Introduction to magnetism | Physics |

Magnetic force on a charge | Physics |

Cross product 1 | Magnetic forces, magnetic fields, and Faraday's law | Physics |

Cross product 2 | Magnetic forces, magnetic fields, and Faraday's law | Physics |

Magnetic force on a proton example (part 1) | Physics |

Magnetic force on a current carrying wire | Physics |

Magnetic field created by a current carrying wire | Physics |

Magnetic force between two currents going in the same direction |

Magnetic force between two currents going in opposite directions |

Induced current in a wire | Physics |

Electric motors (part 1) | Physics

Electric motors (part 2) | Physics |

Electric motors (part 3) | Physics |

The dot product | Magnetic forces, magnetic fields, and Faraday's law | Physics |

Dot vs. cross product | Physics

Calculating dot and cross products with unit vector notation | Physics |

Flux and magnetic flux

Faraday's Law Introduction | Physics |

Lenz's Law | Magnetic forces, magnetic fields, and Faraday's law | Physics |

Emf induced in rod traveling through magnetic field | Physics

Faraday's Law for generating electricity | Physics |

Geometric Optics

Specular and diffuse reflection | Geometric optics | Physics |

Specular and diffuse reflection 2 | Geometric optics | Physics |

Refraction and Snell's law | Geometric optics | Physics |

Refraction in water | Geometric optics | Physics |

Snell's law example 1 | Geometric optics | Physics |

Snell's law example 2 | Geometric optics | Physics |

Total internal reflection | Geometric optics | Physics |

Dispersion | Geometric optics | Physics |

Virtual image | Geometric optics | Physics |

Parabolic mirrors and real images | Geometric optics | Physics |

Parabolic mirrors 2 | Geometric optics | Physics |

Convex parabolic mirrors | Geometric optics | Physics

Derivation of the mirror equation | Geometric optics | Physics |

Mirror equation example problems | Geometric optics | Physics |

Convex lenses | Geometric optics | Physics |

Convex lens examples | Geometric optics | Physics

Concave lenses | Geometric optics | Physics |

Object image and focal distance relationship (proof of formula) | Physics |

Object image height and distance relationship | Geometric optics | Physics |

Thin lens equation and problem solving | Geometric optics | Physics |

Multiple lens systems | Geometric optics | Physics |

Diopters, Aberration, and the Human Eye | Geometric optics | Physics |

Special relativity

Light and the luminiferous ether | Special relativity | Physics |

Potential ways to detect an ether wind | Special relativity | Physics |

Michelson–Morley Experiment introduction | Special relativity | Physics |

Starting to set up a Newtonian path–time diagram | Physics |

Visualizing multiple Newtonian path–time diagrams | Physics |

Galilean transformation and contradictions with light | Physics |

Introduction to special relativity and Minkowski spacetime diagrams |

Measuring time in meters in Minkowski spacetime | Physics |

Angle of x' axis in Minkowski spacetime | Special relativity | Physics |

Introduction to the Lorentz transformation | Special relativity | Physics

Evaluating a Lorentz transformation | Special relativity | Physics |

Algebraically manipulating Lorentz transformation | Physics |

Lorentz transformation derivation part 1 | Special relativity | Physics |

Lorentz transformation derivation part 3 | Special relativity | Physics |

Lorentz transformation for change in coordinates | Physics |

Einstein velocity addition formula derivation | Special relativity | Physics |

Finding an in-between frame of reference | Special relativity | Physics |

Calculating neutral velocity | Special relativity | Physics |

Time dilation | Special relativity | Physics |

Quantum Physics

Photon Energy | Physical Processes | MCAT |

Photon Momentum | Quantum physics | Physics |

Photoelectric effect | Electronic structure of atoms | Chemistry |

De Broglie wavelength | Physics |

Quantum Wavefunction | Quantum physics | Physics |

Atomic Energy Levels | Quantum physics | Physics |

Bohr model radii (derivation using physics) | Chemistry |

Bohr model radii | Electronic structure of atoms | Chemistry

Bohr model radii | Electronic structure of atoms | Chemistry |

Bohr model energy levels | Electronic structure of atoms | Chemistry |

Absorption and emission | Electronic structure of atoms | Chemistry |

Emission spectrum of hydrogen | Chemistry |

Heisenberg uncertainty principle | Chemistry |

Quantum numbers | Electronic structure of atoms | Chemistry |

Quantum numbers for the first four shells | Chemistry |

Mass defect and binding energy | Nuclear chemistry | Chemistry |

Nuclear stability and nuclear equations | Nuclear chemistry | Chemistry |

Types of decay | Nuclear chemistry | Chemistry |

Writing nuclear equations for alpha, beta, and gamma decay | Chemistry |

Half-life and carbon dating | Nuclear chemistry | Chemistry |

Half-life plot | Nuclear chemistry | Chemistry |

Exponential decay formula proof (can skip, involves calculus) | Chemistry |

Introduction to exponential decay | Nuclear chemistry | Chemistry |

More exponential decay examples | Nuclear chemistry | Chemistry |

Exponential decay and semi-log plots | Nuclear chemistry | Chemistry |

Discoveries and projects

Discovery of Magnetism | Discoveries and Projects | Physics |

Compass: Which way is north? | Discoveries and projects | Physics |

Compass build (stroke direction) | Discoveries and projects | Physics |

Floating magnet | Discoveries and projects | Physics |

Compass build (magnet orientation) | Discoveries and projects | Physics |

Neutralize a compass | Discoveries and projects | Physics |

Compass interactions | Discoveries and projects | Physics |

Magnet near compass | Discoveries and projects | Physics |

Tracing a magnetic field | Discoveries and projects | Physics |

Discovery of Magnetic Fields | Discoveries and Projects | Physics |

Magnetic permeability | Discoveries and projects | Physics |

Increase strength of magnet | Discoveries and projects | Physics

Are 2 magnets stronger than 1? | Discoveries and projects | Physics

Earth's magnetic field (how to measure) | Discoveries and projects | Physics |

Inverse cube law (deflection method) | Discoveries and projects | Physics |

Inverse cube law (method of oscillation) | Discoveries and projects | Physics |

Zinc Copper cell reduction oxidation | Discoveries and projects | Physics |

Battery meter (galvanometer) | Discoveries and projects | Physics |

Electrolyte test (pure water vs. vinegar) | Physics |

Reverse electrodes (polarity) | Discoveries and projects | Physics

Electrolyte (strong acid test) | Discoveries and projects | Physics |

Electrolyte (salt test) | Discoveries and projects | Physics |

Electrode (distance test) | Discoveries and projects | Physics |

Electrolyte (temperature test) | Discoveries and projects | Physics |

Electrode (surface area test) | Discoveries and projects | Physics |

Standard cell | Discoveries and projects | Physics |

How much electrolyte does a single cell need? | Physics |

The battery and electromagnetism | Computer Science |

Electromagnetic field (above vs. below) | Discoveries and projects | Physics |

Electromagnetic field (forward vs. reverse) | Physics |

Primitive Electric Motor | Discoveries and Projects | Physics |

Battery meter (galvanometer) | Discoveries and projects | Physics |

Pencil resistor | Discoveries and projects | Physics |

Variable resistor (pencil) | Discoveries and projects | Physics |

Listen to variable resistance | Discoveries and projects | Physics |

Primitive Motor

Build your own motor

Discovery of Electrostatics | Discoveries and Projects | Physics |

Pith Ball Electroscope | Discoveries and projects | Physics |

Foil Leaf Electroscope | Discoveries and projects | Physics |

Electrostatic telegraphs (case study) | Computer Science |

Ping pong ball launcher introduction

Build a ping pong ball launcher

Update and modify your ping pong ball launcher

Thermo Can

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