IYPT 1993, Задачи на турнира — Задача 2–5. Gravitation

Problems for the 6th International Young Physicists’ Tournament

Critical edition

Protvino, Russia; June 18‒25, 1993 [1]

Critical edition: corrected and commented official translation [2]

FINAL DRAFT. — Please do not re-publish. Suggestions and criticism welcome

Edited and commented by Ilya Martchenko. The original edition’s historical notes, sources and acknowledgments are retained with problem 1.

Условие

Imagine that the gravitational constant $G$ decreases slowly from April 1, 1993 until May 1, 1994 by 10% and keeps this value afterwards. How would this process in the given time interval and up to the date of the VI International YPT opening affect the universe as a whole and, in particular,

2. the Sun;

3. the Earth;

4. aviation and astronautics; [5]

5. things important for you personally.

Note [5]

The original Russian text read most likely “cosmonautics” (космонавтика). The 1996 Czech text reads “kosmonautika”

Решение

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Оригинал в Архива: 1993.pdf