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Physics Formulas
(SOME) FORMULAS
| Description | Formula / Other |
|---|---|
| PART 1 | SI BASIC UNITS |
| Length | Metre (m) |
| Mass | Kilogram (kg) |
| Time | Second (s) |
| Electric Current | Ampere (A) |
| Amount of Substance | Mole (mol) |
| Temperature (absolute) | Kelvin (K) |
| Luminous intensity | Candela (cd) |
| PART 2 | SI DERIVED UNITS |
| Area | Square Metre (m^2) |
| Volume | Cubic Metre (m^3) |
| Density | Kilogram per Cubic Metre (kg m^(-3)) |
| Velocity | Metre per Second (m s^(-1)) |
| Force | Newton (N) or (kg m s^(-2)) |
| Energy | Joule (J) or (N m) |
| Power | Watt (W) or (J s^(-1)) |
| Charge | Coulomb (C) or (A s) |
| Potential difference | Volt (V) or (J C^(-1)) |
| Electric field | Volt per Metre (V m^1) |
| Electric resistance | Ohm (Ω) or (V A^(-1)) |
| Capacitance | Farad (F) or (C V^(-1)) |
| Magnetic field | Tesla (T) or (Wb m^(-2)) |
| Illumination | Lux (lx) or (lm m^(-2)) |
| PART 3 | PREFIXES |
| Giga- | G (10^9) |
| Mega- | M (10^6) |
| Kilo- | k (10^3) |
| Centi- | c (10^(-2)) |
| Milli- | m (10^(-3)) |
| Micro- | μ (10^(-6)) |
| Nano- | n (10^(-9)) |
| PART 4 | PHYSICAL CONSTANTS |
| Acceleration due to Gravity (on Earth) | g = [9.8 m s^(-2)] or [9.8 N kg-1] |
| Equatorial radius of the Earth | 6.4 × 10^6 m |
| Speed of Light (in vacuum) | c = 3.00 × 10^8 m s^(-1) |
| Charge on Electron | e = 1.60 × 10^(-19) C |
| Proton mass | 1.67 × 10^(−27) kg |
| Neutron mass | 1.67 × 10^(−27) kg |
| Electron mass | 9.11 × 10^(−31) kg |
| Avogadro's number | 6.02 × 10^(23) mol^(−1) |
| Planck's constant | h = 6.626 × 10^(-34) J s OR 4.136 × 10^(-15) eV s |
| Gravitational constant | G = 6.67 × 10^(-11) N m^2 kg^(-2) |
| Speed of Sound (dry air) | 640 m s^(-1) (20 oC) |
| Mass of the Earth | 6.0 × 10^24 kg |
| Mass of the Sun | 2.0 × 10^30 kg |
| Mass of the Moon | 7.3 × 10^22 kg |
| PART 5 | GREEK LETTERS |
| α | Alpha (alpha particle radiation) |
| β | Beta (beta particle radiation) |
| γ | Gamma (gamma radiation) |
| Δ (upper case) | Delta ("a change in" a quantity) |
| ε | Epsilon (electromotive force (EMF); electrical permittivity) |
| Φ | Phi (magnetic flux) |
| λ | Lambda (wavelength) |
| μ | Mu (micro; magnetic permeability) |
| ν | Nu (frequency) |
| π | Pi (used in circular functions: the ratio of a circle's circumference to its diameter) |
| θ | Theta (angles) |
| ρ | Rho (resistivity) |
| σ | Sigma (stress) |
| τ | Tau (torque) |
| ω (lower case) | Omega (angular velocity) |
| Ω (upper case) | Omega (electrical resistance) |
Created by:
Doctor Moreau
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