USAAAO 2015, Пробен кръг — Задача 4

USAAAO Practice Round 2015

Бележка

This round consists of 20 multiple-choice problems to be completed in 50 minutes. You may only use a scientific calculator and a table of constants during the test.

Условие

The latitude and longitude of LA are 34.05 degrees N and 118.25 degrees W, respectively. A star at which of the following declinations never rises over the horizon in LA?

a. 60 degrees

b. 45 degrees

c. 0 degrees

d. -45 degrees

e. -60 degrees

Отговори

Решение

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Оригинал в Архива: 2015-practice-round-exam.pdf · официални решения: 2015-practice-round-solutions.pdf