Interactive Aperture Area Calculator How to Use This Calculator This calculator determines the light-collecting area of a circular aperture, such as a telescope lens or mirror. It can also account

Advanced Interactive Power Calculator Theory & Formulas Power (P) in physics is the rate at which work is done or energy is transferred. It quantifies how quickly energy is used

Relativistic Velocity Addition Calculator Adding Velocities in Special Relativity In classical (Newtonian) physics, if you are on a train moving at velocity u and you throw a ball forward at

Momentum Calculator p = m × v Solve for Momentum (p) Solve for Mass (m) Solve for Velocity (v) Momentum (p) kg·m/s Mass (m) kilogram (kg) gram (g) pound (lb)