This video segment looks at speed, velocity, and centripetal force on the racetrack.

In the fast-moving environment of stock trading, momentum investing can provide a way to capitalize on short-term ...

The Doppler effect is an observed change in pitch (how high or low a sound is) when either the source of the sound or the listener is in motion. Imagine a car, its horn blaring, approaching you as ...

A recent study published in National Science Review analyzes a new type of solar energetic particle event with faster ...