New posts in Kinematics

How is Chasles' Theorem, that any rigid displacement can be produced by translating along a line and then rotating about the same line, true?

Flat throw vs 45 degree throw of a ball

What stops giant cruise ships toppling over in rough seas?

Extra vibrational mode in linear molecule

Radius of curvature

Is Torricelli's law "wrong" for big holes? - Tank draining problem

Inertia Vs Momentum

In an electron-positron annihilation, in what direction are the photons released?

Why the photon can't produce electron and positron in space or in vacuum?

Motion described by $m \frac{\mathrm{d}^2 x}{\mathrm{d}t^2}=-k\frac{\mathrm{d}^{\frac12 }x}{\mathrm{d}t^{\frac12}}$