Lecture

Elastic and Inelastic Collisions

In course

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Description

This lecture covers the concepts of elastic and inelastic collisions, focusing on the conservation of kinetic energy and momentum. Examples include collisions between objects like clay balls and magnets, as well as the fusion of nuclei. The instructor explains the transformation of kinetic energy into heat during inelastic collisions and analyzes collisions in two dimensions. Special cases, such as collisions between billiard balls and a rocket with variable mass, are also discussed. The lecture concludes with a detailed analysis of the forces involved in a rocket's propulsion, considering the ejection of fuel and the conservation of momentum.

Instructor

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Official source

https://mediaspace.epfl.ch/media/0_z2ywx184

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