Physics 101 SE contains over 150+ of the most common physics equations arranged as pictured above in twenty-three different sections of physics. To solve for the main variable, the bottom dark gray field, just fill in your known values into the white fields and click calculate. You can see the formula used and the actual numbers used by just clicking the question mark button. However, if you do not want to solve for the main variable, you can solve for any other you like. All you need to do is enter in all your known variables and click the small, round button next to your unknown value. By having the ability to calculate any of the variables, Physics 101 SE has the power to calculate hundreds upon hundreds of different results. The ability of this approach gives the student the power and freedom to explore the formulas, their relationships and how differing parameters would change the results effortlessly. Experiment with the numbers and get a deeper connection between the equations and their affect.

 Atomic
 • Nuclear Radius • Bohr Orbital Energy • Radioactive Decay • Bohr Orbital Velocity • Bohr Orbital Radius • Bragg's Law
 Kinematics
 • Finding Distance • Finding Acceleration • Finding Time • Finding Velocity • Instantaneous Velocity • Centripetal Acceleration (2) • Average Velocity
 Vectors
 • Method of Vectors
 Projectiles
 • Finding Components • Finding Velocity • Finding Total Time • Finding Theta • Vertical Motion • Finding Range • Horizontal Motion • Finding Total Time 2
 Dynamics
 • Newton's 2nd Law • Friction • M-A Proportion • Normal Force
 Work
 • Work • Work SIN • Work COS
 Energy
 • Finding Kinetic Energy • Energy lost to Friction • Finding Potential Energy • Energy of a Photon • Gravitational Pot. Energy • Mechanical Energy of System • Power • Total Energy of a System
 Momentum
 • Finding Momentum • Elastic Collision • Finding Impulse • Inelastic Collision • Change in Momentum
 Gravitation
 • Orbital Period • Orbital Velocity • Escape Velocity • Gravitational Force • Gravitational Accel. • Gravitational Pot. Energy
 Waves
 • Finding Omega • Total Energy • Om. of Spring/Pendulum • Wave Number • Posit./Accel/Velocity (3) • Wave Function • Velocity of a Wave
 Sound
 • Pressure Amplitude • Shock Wave Angle • Decibels • Doppler Effect • Intensity • Beats
 Center of Mass
 • Method of Center of Mass
 Gases
 • Kin Theory of Gases • Boyle's Law • Ideal Gas Law • Charles/Gay-Lussac Law • Combined Gas Law
 Fluid
 • Density • Flow Rate/Force Proportion (2) • Simple Pressure • Bernoulli's Equation (2) • Pressure in a Fluid • Volume Flow Rate
 Thermodynamics
 • Heat of Fusion/Vaporiz. • Average Velocity of Molecules • Heat • Mean Free Path • Linear Expansion • Efficiency of a Heat Engine • Carnot Engine Efficiency
 Electric
 • Coulomb's Law • Coulomb Potential • Charge Density • Electric Flux • Potential Energy • Force from a Charge • Electric Field
 Electricity
 • Current • Ohm's Law • Par/Series Res/Caps • Finding Power • Resistivity of a Wire
 Components
 • Capacitance (2) • RC Circuit Charging/DIS (4) • Stored in a Cap/In (2) • LC Circuit Energizing/De (2) • Transformer Turns
 Magnetic
 • Magnetic Force • Potential Energy from a Dipole • Force on a Wire • Orbit Radius of Charge • Torque on a Current Loop • Magnetic Flux • Magnetic Moment
 Optics
 • Snelle's Law • Critical Angle • Mirror Equation • Magnification • Ref of a Single Surface • Power • Index of Refraction • Line Spectra
 Relativity
 • Time Dilation • Mass to Energy Equation • Lorentz Contraction • Lorentz Velocity Transform • Relativistic Momentum • Relativistic Doppler • Relat. Kinetic Energy
 Rotation
 • Change in Theta • Average Angular Velocity • Finding Time • Rotational Kinetic Energy • Instantaneous Angular V • Angular Acceleration • Angular Velocity • Power
 Modern
 • Photoelectric Effect • Stefan's Law • Compton Scattering • Wien's Law • DeBroglie Waves • Uncertainty Principle (2)
 Other
 • Percent Error • Temperature Converter • Efficiency • Determinants • Quadratic Formula