USAAAO 2015, I кръг — Задача 23
USAAAO First Round 2015
Условие
Calculate the planetary phase angle (counterclockwise from Earth, a = 1.0 AU) that a probe may correctly complete a Hohmann transfer orbit to Venus (a = 0.7 AU)
a. 141 degrees
b. 17.5 degrees
c. 121 degrees
d. 241 degrees
e. 343 degrees
Отговори
- d
Решение
Answer: d
Оригинал в Архива: 2015-first-round-exam.pdf · официални решения: 2015-first-round-solutions.pdf