Momentum is conserved in every collision—whether a billiard break, a car crash, or a rocket firing in space—but what actually keeps you alive is how long the collision takes. This episode explores how the same physics principle plays out across demolition derbies, snooker halls, and vehicle safety design, and why the "lost" energy in a crumple zone is exactly what you want when two cars collide.
Based on "Physics — Momentum: Why Collisions Work the Way They Do" by OpenStax (Rice University) (OpenStax, https://openstax.org/books/physics/pages/8-introduction), licensed under Creative Commons Attribution 4.0 International (https://creativecommons.org/licenses/by/4.0/). Adapted by Demades into an AI-narrated audio discussion. Access for free at https://openstax.org.
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