Acceleration in Polar Coords, Intuitive Definition video

[CPW]

Summary:: I wish this video (and YouTube in general) was around when I took intermediate level mechanics as an undergraduate physics student:

I wish this video (and YouTube in general) was around when I took intermediate level mechanics as an undergraduate physics student:

 

[stevendaryl]

I'm impressed that the lecturer can print so neatly using a mouse. (Or maybe a touchpad?)

 

[robphy]

The lecturer is probably using a stylus.