OpenStax
Open Stax: Elastic Collisions in One Dimension
From a chapter on Linear Momentum and Collisions in a Physics textbook. This section of the chapter explains what happens during a one-dimensional elastic collision, what internal kinetic energy is and how it can be expressed, and how to...
CK-12 Foundation
Ck 12: Physics: Momentum Study Guide
This study guide on momentum defines some key terms and discusses the Law of Conservation of Momentum, elastic and inelastic collisions, and how impulse relates to momentum. Includes equations and two example problems with solutions. It...