physics
Photon Energy
$$E = hf$$
Schrodinger's Equation
$$\scriptsize i\hbar\frac{\partial}{\partial t}\Psi(x,t) = \left[-\frac{\hbar^2}{2m}\frac{\partial^2}{\partial x^2} + V(x,t)\right]\Psi(x,t)$$
Lorentz Transformations
$$x' = \frac{x-vt}{\sqrt{1-v^2/c^2}}$$
Hooke's Law (Modulus of Elasticity)
$$\frac{F}{A} = E\frac{\Delta L}{L}$$
Hooke's Law (Spring Constant)
$$F = -kx$$
Ampere's Law
$$\oint \vec{B} \cdot d\vec{l} = \mu_0 I$$
Gauss's Law
$$\oiint \vec{E} \cdot d\vec{A} = \frac{Q_{enc}}{\epsilon_0}$$
Gravitational Potential Energy
$$U = mgh$$
Kinetic Energy
$$E_k = \frac{1}{2}mv^2$$
Laplace's Equation
$$\nabla^2 f = \nabla \cdot \nabla f = 0$$
Momentum (Newtonian)
$$p = mv$$
Newton's 2nd Law
$$F = ma$$
Ohm's Law
$$V = IR$$