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The Physics of Every Day Life

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Visit this site: http://lpmcn.univ-lyon1.fr/~lbocquet/ricochet.html
Author:Lyderic Bocquet
Description: "Why is the stone skipping and not sinking?" On the physics of stone skipping: "I made these calculations after a question of my son. I published [them] in The American Journal of Physics, since I thought it was entertaining material for teaching. It provides a nice example of hydrodynamics, mechanics, gyroscopic effect...." Author Lyderic Bocquet and collaborator Christophe Clanet created a robot that whipped metal disks at a tank of water with high precision. They then used a fast camera to analyze the motion and discover a "magical angle" that optimizes bounce. Step through a PowerPoint presentation of their work. Download a PDF of the AJP article; watch QuickTime movies of skipping stones here and at Clanet's site.
Levels: Middle School (6-8), High School (9-12), College
Languages: English
Resource Types: Video, Articles, Fun for Kids
Math Topics: Fluid Mechanics, Mechanics of Solids

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