A Source Travelling to the Right at a Speed of 10

question 16

Multiple Choice

A source travelling to the right at a speed of 10 m/s emits a sound wave at a frequency of 100 Hz.The sound wave is reflected off a reflector which is travelling to the left at a speed of 5 m/s.What is the frequency of the reflected sound wave detected by a listener back at the source?

• A)105 Hz
• B)104 Hz
• C)109 Hz
• D)96 Hz
• E)91 Hz

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Definitions:

Constant Marginal Cost

A situation in production where the cost to produce one additional unit of output remains the same, regardless of the volume produced.

Reaction Function

In economic models, this function represents how one player's strategy responds to the strategies of other players in a strategic game.

Demand Function

A mathematical formula expressing the amount of a product that consumers are ready and able to purchase at various prices, highlighting the price-demand relationship.

Marginal Cost

Refers to the increase or decrease in the total cost that will result from producing one more or one less unit of a product.