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Calculating a Car Crash - Numberphile
Numberphile
Numberphile's Ben Sparks works through the physics of a car crash, showing how kinetic energy grows with the square of speed and why stopping distance climbs so quickly as velocity increases.
Used as a short explainer when people need to illustrate why speed matters so much in braking and crash severity.
4 Hacker News mentions · 2018–2026