IYPT 2006, Задачи на турнира — Задача 4. Whispering Gallery

19th IYPT (2006)

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

Условие

The Whispering Gallery at St Paul’s Cathedral in London, for example, is famous for the fact that the construction of the circular gallery makes a whisper against its walls on one side of the gallery audible on the opposite side of the gallery. Investigate this phenomenon.

Решение

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Оригинал в Архива: 2006.txt