One of the Main Mechanisms That Humans Use to Determine

question 57

Multiple Choice

One of the main mechanisms that humans use to determine whether a sound is coming from the left or the right is based on the fact that the sound may reach one ear before the other.Given that the speed of sound in air is 343 m/s and that human ears are typically 20 cm apart,what is the time resolution in human hearing that would allow sounds coming from the left to be distinguished from sounds coming from the right using this mechanism?

• A)2.92 * 10^-4 s
• B)5.83 * 10^-4 s
• C)1.17 * 10^-3 s
• D)7.45 * 10^-3 s
• E)9.67 * 10^-3 s

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Definitions:

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A learned system of knowledge, behavior, attitudes, beliefs, values, and norms that is shared by a group of people.

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The quality of being self-assured and confident without being aggressive, in communication or behavior.

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