Briefkasten-Öffnung


Meta Information Exercise contained in Rate this Exercise
Tags akustik, dezibel, lautstärke, physik, schall, schallpegel
Difficulty **____
Points 6
Language de
Type Quantity
Last modified 1 month, 1 week ago
Initial Version by Urs Zellweger (urs)
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11:21, 11. July 2017 Initial Version. Urs Zellweger (urs) Current Version