IAO 1998, Теория, 16–18 години — Задача 4

III International Astronomy Olympiad

Условие

An artificial Earth's satellite moves by $6.9\,\mathrm{km/sec}$ along a circular orbit in the equatorial plane and in the direction of the Earth's rotation. What is the period of the satellite's appearance in the zenith for a point located on the equator?

Решение

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Оригинал в Архива: en1.jpg · официални решения: theosol.jpg