IYPT 2008, Задачи на турнира — Задача 6. Liquid stain
21st IYPT (2008)
Заглавие в източника
Source: Problems for 21st for IYPT, Croatia 2008 (iypt.org, Aug. 8, 2007)
Selected at the IOC meeting in Seoul on July 12—13, 2007; released as Preliminary on July 18, 2007; as final on Aug. 8, 2007
Reference Kit for 2008 (final edition, May 28, 2008) →
Exemplary solutions for 2008 →
Условие
When a drop of liquid such as coffee dries on a smooth surface, the stain usually remains at the edge of the drop. Investigate why the stain forms at the edge and what parameters affect the characteristics of the stain.
Решение
Внимание: Непълно решение
В архива няма официално решение на тази задача.
Оригинал в Архива: 2008.txt