Learn the basics of vector operations. Vectors can be added, subtracted and multiplied. To add or subtract two or more ...

Learn how to determine the magnitude and direction of a vector. The magnitude of a vector is the length of the vector. The ...

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 ...

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.