Explore work and energy concepts with a real-world example: a crashing car analysis! In this physics tutorial, we break down kinetic energy, work done, and energy transfer during a collision. Using ...

Explore linear drag in one dimension with this clear physics example and solution! Learn how resistive forces affect motion, see step-by-step calculations, and understand the concepts behind linear ...

In the Fall I'll be starting teaching again, after a semester away on sabbatical and then enjoying teaching relief during my first semester at Penn. I'll be teaching a course that I truly love, and ...