USAAAO 2018, I кръг — Задача 6

USAAAO National Astronomy Olympiad First Round 02/12/2018-02/16/2018 Time Limit: 75 Minutes · 12 февруари 2018 г. · 1 т.

Внимание: Бележка към темата

The solutions document provides answer letters for all 30 problems and brief explanations for some problems.

Условие

For the following problem find the range in which the answer lies: on the day of summer solstice, on which geographic latitude is the sun culminating at the angle of +72∘50′+72^{\circ}50' north of the equator?

A. 0∘−15∘0^{\circ} - 15^{\circ}
B. 15∘−30∘15^{\circ} - 30^{\circ}
C. 30∘−45∘30^{\circ} - 45^{\circ}
D. 45∘−60∘45^{\circ} - 60^{\circ}
E. 60∘−75∘60^{\circ} - 75^{\circ}

Решение

Оригинал в Архива: usaaao-first-round-exam-2018.pdf · официални решения: usaaao_first_round_2018.pdf