Science Struck
Science Struck: Potential Energy Formula
Explains what is meant by potential energy and demonstrates how to use the formulas for gravitational potential energy, elastic potential energy, and electric potential energy. Includes interactive calculators for the first two formula...
TeachEngineering
Teach Engineering: Collisions and Momentum: Bouncing Balls
As a continuation of the theme of potential and kinetic energy, this lesson introduces the concepts of momentum, elastic and inelastic collisions. Many sports and games, such as baseball and ping-pong, illustrate the ideas of momentum...