USAAAO 2015, Пробен кръг — Задача 7

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 mean orbital velocity of Jupiter is 13.1 km/s, its mass is $1.9 \times 10^{27}$ kg, and its orbit has a semi-major axis of $7.9 \times 10^{8}$ km. What is its angular momentum, in SI units (Joule-seconds)?

a. $9.0 \times 10^{42}$

b. $2.6 \times 10^{47}$

c. $1.6 \times 10^{55}$

d. $2.0 \times 10^{43}$

e. $2.5 \times 10^{35}$

Отговори

Решение

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