The Inhabitants of a Planet in Another Galaxy Have Their

question 42

Multiple Choice

The inhabitants of a planet in another galaxy have their eyes at the exact center of their 4.0-m long bodies. How long must a plane mirror be for such a creature to be able to see all of its body in the mirror?

• A) 1.0 m
• B) 2.0 m
• C) 2.5 m
• D) 4.0 m
• E) 8.0 m

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Definitions:

Superior

In economics, refers to a good for which demand increases as consumer incomes increase, opposite of an inferior good.

Player

An individual, group, or entity participating in a competitive or cooperative activity, often used in the context of games, sports, or market participants.

Negative-sum Games

Situations in which the total losses exceed the total gains, leading to a net decrease in wealth or benefit.

Incentive

A thing that motivates or encourages someone to do something, particularly in economic contexts to influence behaviors.