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sound propagation
elasticity
density
physical properties
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## Propagation Speed - The propagation speed of sound in a medium is influenced by two properties: - **the stiffness (elasticity)** - defined as the ability of an object to resist compression and relates to the hardness of a medium. - **the density (inertia)** - defined as t...
## Propagation Speed - The propagation speed of sound in a medium is influenced by two properties: - **the stiffness (elasticity)** - defined as the ability of an object to resist compression and relates to the hardness of a medium. - **the density (inertia)** - defined as the amount of mass in an object.
