Comments on: When an object vibrates & pressure wave. https://thebkids.com/2023/03/01/when-an-object-vibrates-pressure-wave/ Bentley, Bronxston, and Bear. Official website for these upcoming YouTubers! Wed, 01 Mar 2023 05:14:43 +0000 hourly 1 https://wordpress.org/?v=6.5.3