Elastic Potential Energy U = ½ kx2 Solve for Energy (U) Solve for Spring Constant (k) Solve for Displacement (x) Potential Energy (U) Joules (J) Kilojoules (kJ) Spring Constant (k)

E=mc² Calculator (Mass-Energy Equivalence) Calculator Instructions Theory & Formulas Mass (m): kg (kilograms) g (grams) mg (milligrams) µg (micrograms) amu (atomic mass units) lb (pounds) oz (ounces) Calculate Energy How

Length Contraction Calculator Introduction to Length Contraction Length Contraction is a phenomenon predicted by Albert Einstein's Special Theory of Relativity. It describes how the length of an object, when measured

Interactive Diffraction Grating Calculator How to Use This Calculator This calculator uses the diffraction grating equation (d sinθ = mλ) to determine parameters related to light diffraction. Select which variable