Selected Physics Formulas

Vector Math | |

(R,θ) → (X,Y) | |

X Component of R | |

Y Component of R | |

Combining Components | |

Sum of X | |

Sum of Y | |

(X,Y) → (R,θ) | |

Magnitude of R | |

Direction of R |

Laws of Motion | |

Velocity | |

Average | |

Instantaneous | |

Acceleration | |

Average | |

Instantaneous | |

One Direction (Linear) | |

Given (v_{f} v_{i} a t): no d | |

Given (d v_{i} a t): no v_{f} | |

Given (d v_{i} v_{f} a): no t | |

Given (d v_{i} v_{f} t): no a | |

Two Directions (Trajectory) | |

X Component of Velocity | |

Y Component of Velocity | |

Magnitude | |

Direction | |

Displacement | |

Displacement in X Direction | |

Displacement in Y Direction | |

Magnitude | |

Direction | |

Time of Flight | |

Solve quadratic for two values for 't' t = (− , −): no solution t = (0 , +): use pos value t = (+ , +): use larger pos value | |

↑ - or - ↓ | |

Maximum Height | |

Y Displacement at Half of Time of Flight | |

Final Velocity | |

X Component of Velocity | |

Y Component of Velocity | |

Magnitude | |

Direction |

Mechanics | |

Forces | |

Force | |

Friction | |

Gravitational Force | |

Force (spring) | |

Torque | |

Momentum | |

Conservation of Momentum | Elastic Collision (2 → 2) |

Splitting (2 → 1) | |

Combining (1 → 2) | |

Impulse | |

Energy, Work & Power | |

Kinetic Energy | |

Potential Energy | |

Potential Energy (spring) | |

Gravitational Potential Energy | |

Work | |

Power | |

Circular and Periodic Motion | |

Centripetal Acceleration | |

Period | |

Rotational Inertia | |

Radius | |

Speed (circular motion) | |

Angular Momentum | |

Angle (circular motion) | |

Angular Velocity |

Electricity | |

Force | |

Electric Field | |

Electric Flux | |

Electric Potential | |

Capacitance | |

Capacitors in Parallel and Series |
Parallel |

Series | |

Potential Energy | |

Current | |

Potential Energy | |

Resistance | |

Resistors in Parallel and Series |
Parallel |

Series | |

Electric Field | |

Ohm's Law | |

Power |

Magnetism | |

Magnetic Force | |

Magnetic Field | |

Magnetic Flux | |

EMF | |

Potential Energy |

Fluid Dynamics | |

Density | |

Pressure (vs depth) | |

Buoyancy | |

Equation of Continuity | |

Bernoulli equation | |

Boyle's Law of Gases | (Constant Temperature) |

Charles' Law of Gases | (Constant Pressure) |

Gay-Lussac's Law of Gases | (Constant Volume) |

Combined Gas Law | |

Ideal Gas Law | |

Van Der Waal's Equation | |

Density or Molar Mass of Gas | |

Dalton's Law of Partial Pressures | |

Graham's Law of Effusion' | |

Henry's Law | |

Pressure | |

Root Mean Square Velocity |

Thermal Physics | |

Specific Heat | |

Heat of Fusion | |

Heat of Vaporization | |

First Law of Thermodynamics | |

Work Done in Gas Expand/Compress | |

Definition of Enthalpy | |

Clasius-Clapeyron Equation | |

Thermal Expansion | |

Heat Transfer | |

Average Molecular KE | |

Work | |

Internal Energy | |

Efficiency | |

Atomic and Nuclear Physics | |

Energy of Photon | |

Energy of an e^{-} in the n^{th} statein a Hydrogen atom | |

Energy emitted as the e^{-} transitionsfrom the n _{i}level to the n_{f} level | |

Energy | |

Maximum Kinetic Energy | |

de Broglie Wavelength | |

Bragg Equation | |

Binding Energy |

Wave Mechanics | |

Wavelength Frequency Relationship | |

Speed | |

Index of Refraction | |

Snell's Law' | |

Critical Angle | |

Interference | (Constructive) |

(Destructive) | |

Double Slit Interference |

Optics: Lenses and Mirrors | |

Magnification | |

Focal Length | |

Distance | |

Lensmaker Formula | (Thick Lens) |

(Thin Lens) | |