Inductor Energy Calculator
Compute the energy stored in an inductor from its inductance and the current through it, using E = ½ · L · I².
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 energy stored in an inductor from its inductance and the current through it, using E = ½ · L · I².
Compute the Lorentz factor γ, the total relativistic energy E = γmc², and the relativistic kinetic energy KE = (γ − 1) ·...
Combine two collinear velocities relativistically: u' = (u + v) / (1 + u · v / c²). Inputs are expressed as fractions of...
Compute the elastic potential energy stored in a Hookean spring stretched (or compressed) by a displacement x from its n...
Compute the fundamental frequency f₁ and the first two overtones of a stretched string fixed at both ends from the strin...
Compute the fundamental (lowest) frequency of a cylindrical organ pipe (or open-ended flute) with both ends open from th...
Computes the buoyancy force F_b = ρ_fluid · V_submerged · g, the upthrust ratio F_b / (m·g), and whether the object floa...
Compute the fundamental frequency f₁ of a stretched string of length L, tension T, and mass-per-length μ. f₁ = (1/2L) ·...
Compute the self-capacitance of an isolated conducting sphere of radius R (relative to a virtual ground at infinity): C...
Compute the wave-power intensity at distance r from an isotropic point source emitting total power P: I = P / (4π · r²)....
Compute the rest energy contained in a mass via Einstein's mass-energy equivalence: E₀ = m · c². Reports the energy in j...
Compute the spacing of bright fringes in Young's double-slit experiment from the wavelength of the light, the slit separ...
Compute the time constant τ = L / R of a series RL circuit, the time to reach 63 % of final current, and the rough cutof...
Compute the gravitational attraction between two point masses (or spherical bodies) at a centre-to-centre distance r, us...
Calculates the Planck spectral radiance B(λ,T) = (2hc²/λ⁵) / (exp(hc/λkT) − 1) in W/(m²·sr·m). Uses h = 6.626×10⁻³⁴ J·s,...
Calculates the escape velocity from a planet or celestial body given its mass and radius.
Calculates the refracted angle using Snell's Law and the critical angle for total internal reflection from the two refra...
Calculates drag force F_d = ½ · ρ · v² · C_d · A, where ρ is fluid density, v is velocity, C_d is drag coefficient, and...
Compute the post-collision velocities of two bodies undergoing a one-dimensional elastic collision, conserving both kine...
Solve Bernoulli's equation for the static pressure at point 2 along a streamline given point-1 pressure, velocities at b...
Calculates the period (or length) of a simple pendulum from its length and local gravitational acceleration.
Calculates projectile range R = v₀²·sin(2θ)/g, maximum height H = v₀²·sin²θ/(2g), time of flight T = 2v₀·sin θ/g, and op...
Calculates wave speed, frequency, or wavelength from the other two using the fundamental wave equation v = fλ. Works for...
Calculates image distance, magnification, and image type (real/virtual, upright/inverted) from object distance and focal...