IYPT 2004, Задачи на турнира — Задача 15. Brazil Nut Effect

17th IYPT (2004)

Заглавие в източника

Source: iypt.org, tmfsr.sk, Oct. 28, 2003
Selected at the IOC Meeing in Modra, Harmonia on Oct. 17—18, 2003
Exemplary solutions for 2004 →

Условие

When a granular mixture is shaken the larger particles may end up above the smaller ones. Investigate and explain this phenomenon. Under what conditions can the opposite distribution be obtained?

Решение

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Оригинал в Архива: 2004.txt