IYPT 2007, Задачи на турнира — Задача 7. Crickets
PROBLEMS FOR THE IYPT 2007
Original notice
Important: the problems were intended for the IYPT and may be subject of copyright
Условие
Some insects, such as crickets, produce a rather impressive sound by rubbing together two parts of their body. Investigate this phenomenon. Build a device producing a sound in a similar way.
Решение
Внимание: Непълно решение
В архива няма официално решение на тази задача.
Оригинал в Архива: 2007.pdf