Like if a clap my hands, why does the sound stop, is it molecules or particles blocking the sound waves?
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Sound moves in pressure waves in a sphere away from the source
The further away from the source, the larger the surface area of the sphere would be at that point. Having a larger surface area, means the pressure is more spread out, and eventually as the surface area of the sphere becomes bigger, the pressure is so little it’s not something your ears can pick up
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