What is a vector, and how can we use it in electrical design? According to the “IEEE Standard Dictionary of Electrical and Electronic Terms,” a vector quantity is “any physical quantity whose ...

Alternate title: You Khan't Divide a Vector by a Vector. Get it? Maybe you don't, but that is ok. Really, I was going to make this a video critique of Sal Khan's – video critique of my video critique.

One of the most important topics taught at the start of introductory physics is the idea of vectors. Students really need proficiency with them if they are to use force and momentum. Just about every ...