Same physics from different angle:
https://texercises.com/collection/lautstarke-bei-zwei-distanzen/
\(\TeX\)ercises | 2023-01-29 22:40 | 2023-01-31 07:05
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Branches Acoustics, Work, Energy, Power
Tags akustik, dezibel, kugeloberfläche, lautstärke, pegel, physik, schall, schalldruck, wellenlehre