The Speed of Sound in Dry Air at 20ºC Is

question 21

Multiple Choice

The speed of sound in dry air at 20ºC is 343 m/s.The speed of sound in dry air at 80ºC is

• A)86.0 m/s
• B)172 m/s
• C)377 m/s
• D)686 m/s
• E)1.27 km/s

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Definitions:

Differentia

The characteristic or set of characteristics that distinguishes one thing or category from another within a broader classification.

Genus

A term in taxonomy and logic referring to a class or group that shares common characteristics, serving as a means of categorizing entities.

Essential Attributes

Fundamental qualities or characteristics that define the nature of something, without which it would not be what it is.

Genus

A category that encompasses a collection of entities with shared traits, frequently employed in the taxonomy of biology to indicate a level higher than species but lower than family.