A Star Is Moving Toward Earth at 90% the Speed

question 25

Multiple Choice

A star is moving toward Earth at 90% the speed of light.The star emits light,which moves away from the star at the speed of light.What do Earth-based astronomers measure for the speed of this light?

• A)c
• B)1.9c
• C)1.2c
• D)0.98c
• E)0.95c

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Definitions:

Consumer Needs

The essential goods and services that customers consider necessary or desirable in their everyday lives.

Competitive Market System

A market structure characterized by many buyers and sellers, free entry and exit, and products that are similar, fostering competition.

Successful Innovators

Individuals or organizations that effectively introduce new ideas, goods, services, or processes, leading to market success.

Economic Profits

The gap between a business's complete earnings and all its expenses, covering both overt and hidden costs.