The Distance Between the Two Planets Is 1

question 76

Multiple Choice

The distance between the two planets is 1.6 × 10⁶ m. How much time would the light signal take to go from one planet to the other?

• A) 1.9 × 10^-2 s
• B) 0.45 × 10^-2 s
• C) 0.53 × 10^-2 s
• D) 1.3 × 10^-2 s
• E) None of the other answers is correct.

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Definitions:

Public Good

A good that is non-excludable and non-rivalrous, meaning that its consumption by one individual does not reduce availability to others.

Benefits

Advantages or gains that are derived from a specific action, policy, or product, including intangible and tangible outcomes.

Excludable

A characteristic of a good or service that means it is possible to prevent people who have not paid for it from having access to it.

National Defense

The protection and defense of a country's interests, territories, and citizens, usually handled by the military and defense agencies.