Two Speakers Are Placed Side by Side and Driven by the Same

question 99

Multiple Choice

Two speakers are placed side by side and driven by the same frequency of 0.50 kHz.If the distance from a person to one speaker is 5.0 m and the person detects little or no sound,which of the following is a possible the distance from the person to the other speaker? The sound speed in the room is 340 m/s.

• A)7.7 m
• B)8.1 m
• C)8.4 m
• D)9.1 m

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Definitions:

Total Product

The total quantity of output produced by a firm over a given period of time.

Units of Labor

Quantifiable measurements of labor force input, such as hours worked or number of workers, used in economic analysis to assess productivity or costs.

Diminishing Returns

A principle stating that as additional units of a variable resource are added to a fixed resource, the marginal product of the variable resource will eventually decrease.