Learn the difference between distance, displacement, speed and velocity, and how to calculate distance, speed and acceleration.

How to Calculate How Fast a Plane’s Flying—While You’re on It When you look out of the window of a plane, everything looks so small. But they're all big enough to do some physics.

Vernier Video Physics uses video data to calculate velocity over time. Vernier Software & Technology has rolled out a new application that works with the iPod touch, iPad, or iPhone to collect physics ...