Exercises: College Physics (OpenStax)
( \newcommand{\kernel}{\mathrm{null}\,}\)
Thumbnail: Newton's cradle in motion. One ball is set in motion and soon collides with the rest, conveying the energy through the rest of the balls and eventually to the last ball, which in turn is set in motion. (CC -BY-SA 3.0; DemonDeLuxe (Dominique Toussaint))