IYPT 1995, Задачи на турнира — Задача 4. Gravitational spacecraft

8th IYPT (1995)

Заглавие в източника

Sources: Školská Fyzika, 1994/1995, 3, 70—71, Rozhledy mat.-fyz. 72, 1995, 2, 102—104, Dev. Tal. in Phys., 93—94, 1995
Selected at the Preparatory Seminar in Warsaw on Oct. 13—15, 1994
Exemplary solutions for 1995 →

Условие

A spacecraft (having a shape of a dumb-bell of variable length) can shift from the Earth orbit (300 km above the Earth surface) to the Moon orbit without the use of jets. Calculate the time taken by such a manoeuver.

Решение

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Оригинал в Архива: 1995.txt