Two Point Sources Emit Sound Waves of 1

question 22

Multiple Choice

Two point sources emit sound waves of 1.0-m wavelength. The sources, 2.0 m apart, as shown below, emit waves which are in phase with each other at the instant of emission. Where, along the line between the sources, are the waves out of phase with each other by π radians?

• A)x = 0, 1.0 m, 2.0 m
• B)x = 0.50 m, 1.5 m
• C)x = 0.50 m, 1.0 m, 1.5 m
• D)x = 0.75 m, 1.25 m
• E)x = 0.25 m, 0.75 m, 1.25 m, 1.75 m

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Definitions:

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Suspended

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The violence continuum describes the range or spectrum of behaviors that constitute violence, from verbal abuse to physical assault, indicating the progression of aggressive actions.

Rage

Intense, uncontrolled anger that can manifest in violent behavior or emotional outbursts.