In this video, we calculate the velocity of a disk rolling down an incline! 🏞️🎯 Learn how to apply energy conservation principles and rotational motion equations to find the speed of a disk as it ...

Understand rotational motion in a clear, intuitive way with a lesson designed to stick with you forever. This video breaks ...

Even the best telescopes can’t see exoplanets. It’s all about watching for jiggly stars, blue shifts, and transits.