A Stationary Source Emits a Sound Wave of Frequency F

question 14

Multiple Choice

A stationary source emits a sound wave of frequency f. If it were possible for a man to travel toward the source at the speed of sound, he would observe the emitted sound to have a frequency of:

• A) zero
• B) f/2
• C) 2f/3
• D) 2f
• E) infinity

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Definitions:

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Describes countries or regions that have highly developed industrial sectors including manufacturing, infrastructure, and technology.

Per Capita Income

The average income earned per person in a given area or country, calculated by dividing the total income of the area by its population.

World's Income

The total economic output or the aggregate income produced by all countries in the world over a specific time period.

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