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:

Market Equilibrium

A condition in which market supply and demand balance each other, and as a result, prices become stable.

Competitive Industry

A competitive industry is one where numerous producers compete with each other to satisfy the needs and wants of consumers, characterized by free entry and exit and a high level of innovation.

Market Demand

The total quantity of a good or service that consumers are willing and able to purchase at various prices during a specific time period.

Market Equilibrium

A condition in a market where supply equals demand, resulting in stable prices that neither increase nor decrease.