IYPT 2012, Задачи на турнира — Задача 6. Woodpecker toy

IYPT 2012

Условие

Photograph of two wooden woodpecker toys with pink and purple feathers on a vertical black rod; each toy has a wooden sleeve and a coiled spring connecting it to the bird.
Picture “Woodpecker toy” © Mike Willshaw - http://www.flickr.com/photos/freakdog/308938937/

A woodpecker toy (see picture) exhibits an oscillatory motion. Investigate and explain the motion of the toy.

Решение

Внимание: Непълно решение

В архива няма официално решение на тази задача.

Оригинал в Архива: 2012.pdf