IYPT 2006, Задачи на турнира — Задача 16. Hardness

19th IYPT (2006)

Заглавие в източника

Source: iypt.sk
Selected at an uknown time; released on Aug. 8, 2005
Exemplary solutions for 2006 →

Условие

A steel ball falls onto a horizontal surface. If one places a sheet of paper onto the surface with a sheet of carbon paper on top of it, a round trace will be produced after the impact. Propose a hardness scale based on this method.

Решение

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Оригинал в Архива: 2006.txt