Gear Ratio Calculator
Compute the gear ratio, output rotational speed, and output torque of a single-stage spur-gear pair from the number of t...
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 gear ratio, output rotational speed, and output torque of a single-stage spur-gear pair from the number of t...
Calculates secondary voltage, current, and turns for an ideal transformer given primary specifications and turns ratio.
Calculates the electric potential energy U = k·q₁·q₂/r between two point charges and the electric force F = k·q₁·q₂/r²....
Calculates the buoyant force, net upward force, and whether an object floats or sinks from its density, fluid density, a...
Calculates the minimum uncertainty in momentum Δp from a given position uncertainty Δx using the Heisenberg uncertainty...
Given heat input Q_h and heat rejected Q_c, calculates net work W = Q_h − Q_c, thermal efficiency η = W/Q_h, and compare...
Calculates work done by a constant force: W = F · d · cos θ, where F is force magnitude, d is displacement, and θ is the...
Calculates maximum kinetic energy of emitted electrons, threshold frequency, and stopping potential in the photoelectric...
Calculates charge carrier concentration and Hall coefficient from Hall voltage, current, magnetic field, and sample thic...
Calculates charge Q = CV, energy stored E = ½CV², and charge/discharge time constant τ = RC for a capacitor of capacitan...
Calculates impulse J = F · Δt and the resulting change in momentum. Given the object mass, also computes the change in v...
Calculates the magnetic force on a current-carrying conductor in a uniform magnetic field from B, I, length, and angle.
Applies Bernoulli's equation to find pressure at point 2 from known conditions at point 1 in steady, incompressible, inv...
Calculates inductance of a toroidal coil: L = μ₀·μᵣ·N²·A / (2πr_mean), where N is number of turns, A is cross-sectional...
Calculates the change in internal energy ΔU = n·Cv·ΔT and enthalpy change ΔH = n·Cp·ΔT for an ideal monatomic (Cv = 3R/2...
Calculates the first three resonant harmonic frequencies for both open (both ends open) and closed-one-end organ pipes....
Calculates the RC time constant, voltage across the capacitor at time t, and charging current for a series RC circuit.
Calculates the refractive index n = c/v_medium, where c = 299,792,458 m/s. Also computes angle of refraction via Snell's...
Calculates the Lorentz magnetic force on a moving charged particle from charge, velocity, magnetic field strength, and a...
Calculates the beat frequency produced when two sound waves of slightly different frequencies interfere. Beat frequency...
Calculates total power radiated by a surface: P = ε·σ·A·T⁴, where σ = 5.6704×10⁻⁸ W/(m²·K⁴), ε is emissivity (0–1), A is...
Calculates magnetic flux Φ = B·A·cos θ and the induced EMF ε = −ΔΦ/Δt for a coil of N turns rotating in a uniform field.
Calculates the equivalent resistance of up to five resistors connected in series and/or parallel combinations.
Compute the electron energy at orbital level n in a hydrogen atom from the Bohr model: E_n = −13.6 / n² eV. Reports ener...