The speed of sound is the distance traveled per unit of time by a sound wave as it propagates through an elastic medium. It is a fundamental concept in acoustics, fluid dynamics, and many areas of physics. The speed of sound varies depending on the medium through which the sound waves travel and is generally faster in solids than in liquids, and faster in liquids than in gases.
The general formula for the speed of sound is:
Where:
For specific mediums, we often use simplified formulas:
Where
Let's calculate the speed of sound in air at 20°C:
Let's visualize the concept of speed of sound:
This diagram illustrates:
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