When NASA Was Communicating with Astronauts on the Moon,the Time

question 27

Multiple Choice

When NASA was communicating with astronauts on the moon,the time from sending on the Earth to receiving on the moon was 1.28 s.Find the distance from Earth to the moon.(The speed of radio waves is 3.00 × 10⁸ m/s. )

• A) 240 000 km
• B) 384 000 km
• C) 480 000 km
• D) 768 000 km

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Definitions:

Pure Monopoly

A market structure in which a single supplier provides a unique product or service, with no close substitutes and high barriers to entry.

Output Quantity

The total amount of a product produced by a company, industry, or economic sector within a given timeframe.

Rent-seeking

The practice of individuals or firms leveraging their resources to obtain economic gains without reciprocating any benefits back to society through wealth creation.