IYPT 1991, Задачи на турнира — Задача 17. Epigraph
Problems for the 4th International Young Physicists’ Tournament
Critical edition
Olympiets Youth Center, Moscow, Soviet Union; July 22‒28, 1991 [1]
Critical edition: translated, restored, and commented text [2]
FINAL DRAFT. — Please do not re-publish. Suggestions and criticism welcome
Translated, edited and commented by Ilya Martchenko. The original edition’s historical notes, sources and acknowledgments are retained with problem 1.
Епиграф
Is this black currant?
No, it is red currant.
But why is it white?
Because it is still green. [3]
Условие
In our opinion, the epigraph to the Tournament problems may serve as a basis for serious researches as well as for excellent jokes. We expect both of these from you. [26]
Note [25]
“Motto”, in the 2006 English text
Note [26]
The task to suggest such epigraphs, or “mottos”, is missing in the 2006 English text
Решение
Внимание: Непълно решение
В архива няма официално решение на тази задача.
Оригинал в Архива: 1991.pdf