Capacitive Reactance Calculator
Compute the capacitive reactance X_C of a capacitor at a given AC frequency: X_C = 1 / (2π · f · C). Reports the impedan...
Kinematics, dynamics, and classical-physics shortcuts.
Solve the common physics textbook calculations — velocity, acceleration, force, and energy — with units correctly tracked end to end.
Compute the capacitive reactance X_C of a capacitor at a given AC frequency: X_C = 1 / (2π · f · C). Reports the impedan...
Compute the resonant frequency of a series RLC circuit, f₀ = 1 / (2π·√(L·C)), the angular resonant frequency ω₀, and the...
Computes the self-inductance of a solenoid coil: L = μ₀ · N² · A / l, where μ₀ = 4π×10⁻⁷ H/m, N is number of turns, A is...
Compute the optical power of a thin lens in diopters from its focal length: D = 1 / f, where f is the focal length in me...
Apply the inverse-square law to a point-source intensity (light, sound, gravity, radiation) — given the intensity at one...
Compute the magnetic field at the geometric centre of a circular current loop using the Biot-Savart law: B = μ₀I / (2R),...
Compute the proper distance to a receding extragalactic object by inverting Hubble's law: d = v / H₀. Reports the distan...
Compute the fraction of an unstable isotope remaining after time t given the half-life t½: fraction = exp(−ln(2) · t / t...
Compute the magnetic flux Φ through a flat loop of area A placed in a uniform magnetic field B at angle θ between the fi...
Compute the electric potential V (volts) at distance r from a point charge q, taking V = 0 at infinity: V = k · q / r, w...
Compute the period and frequency of a mass-spring oscillator undergoing simple harmonic motion from the mass m and sprin...
Compute the magnetic force on a straight wire of length L carrying current I in a magnetic field B at angle θ: F = B · I...
Compute the maximum kinetic energy of photoelectrons emitted from a metal surface using the photoelectric equation KE_ma...
Compute the focal length of a thin lens from the refractive index of the lens material and the radii of curvature of the...
Compute the amplitude of a lightly damped harmonic oscillator (e.g. a pendulum in air, an RLC circuit) at time t. Decay...
Compute the viscous drag force on a small sphere moving slowly through a Newtonian fluid (low Reynolds number) using Sto...
Compute the Rayleigh angular resolution limit θ_min = 1.22 · λ / D imposed by Airy-disk diffraction through a circular a...
Compute the quality factor Q of a series RLC circuit at resonance: Q = ω₀·L / R, where ω₀ = 1/√(LC). High Q (sharp reson...
Compute the volumetric flow rate of an incompressible Newtonian fluid in laminar flow through a circular pipe using the...
Compute the magnitude of the magnetic field a distance r from an infinitely long straight current-carrying wire using Am...
Compute the Compton shift in wavelength when a photon scatters elastically off an electron at scattering angle θ, using...
Apply the fluid continuity equation to compute the velocity at the second cross-section of a pipe given the inlet area,...
Compute the linear (transverse) magnification of an image formed by a thin lens or spherical mirror from the object dist...
Compute the steady-state power dissipated by an ohmic resistor — choose to feed in current and resistance (P = I²R), vol...