Two Planets Travel in Circular Orbits About a Star

question 81

Multiple Choice

Two planets travel in circular orbits about a star. The period of planet A is T, while that of planet B is 3T. What is the ratio of their orbital radii, R_A/R_B?

• A) 0.33
• B) 0.19
• C) 0.48
• D) 0.69

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Definitions:

Moral Principles

Fundamental beliefs about what is right, wrong, or ethical that guide behavior and decision-making.

Ethical Problem

A situation or decision-making process involving conflicting values, principles, or duties, leading to moral dilemmas.

Illusion of Control

The false belief that one has influence or control over outcomes that are actually determined by chance.

Consideration of Duties

The reflective process of thinking about one's obligations and responsibilities.