In the gas: u = √ (γP / ρ), where γ is the specific heat ratio, P is the pressure, and ρ is the density

In solids, longitudinal wave: u = √ (G / ρ), transverse wave: u = √ (E / ρ), G is the shear modulus, E is the elastic modulus, and ρ is the density sound velocity is calculated as:

V=S/t. where V--the speed of the sound, in m/s; S--distance, unit: m (m); t--time, unit: second (s);

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