To keep track of a location in a two-dimensional space, two measurements are needed. Most of the time, we would naturally think to do this by the Cartesian method, measuring position along one axis ...

Chalk is fun to draw with, and some people even get really good at using it to make art on the sidewalk. If you don’t like tediously developing such skills, though, you could go another route.

[#video: https://www.youtube.com/embed/xpJ8EoGmLuE If the internet was your online physics textbook, the Slow Mo Guys would be writing a good number of those homework ...