Two Identical Loudspeakers That Are 5

question 29

Multiple Choice

Two identical loudspeakers that are 5.00 m apart and face toward each other are driven in phase by the same oscillator at a frequency of 875 Hz. The speed of sound in the room is 344 m/s. If you start out standing midway between the speakers, find the shortest distance you can walk toward either speaker in order to hear a minimum of sound.

• A) 0.0983 m
• B) 0.197 m
• C) 0.295 m
• D) 0.393 m
• E) 0.590 m

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Definitions:

Variable

A component, trait, or aspect that is subject to alteration or modification.

Normally Distributed

A statistical term describing data that forms a bell-shaped curve when plotted, indicating that most values cluster around a central mean and tails off symmetrically towards the extremes.

Standard Deviation

A statistic that measures the dispersion or variability of a dataset relative to its mean, indicating how spread out the data points are.

Shaded Areas

In graphical representations, portions filled with color or patterns to distinguish them, often used to represent specific values, ranges, or sections in diagrams and charts.