68 - 9кл - Потенциальная энергия (сила упругости)
2 months ago 00:02:47 1
![[Darth Welder Channel] Молниеносный взлет МиГ-31БМ на форсаже.](https://sun9-19.userapi.com/impg/EojE5MinAa5QB__1Fx0QvsB08DAjN2JZ7PlGNQ/pB9s27LgG7g.jpg?size=320x240&quality=95&keep_aspect_ratio=1&background=000000&sign=d4c6b0d232d43bb48bde8219f1223b25&c_uniq_tag=xMhmNci18pXnMsWsfwkFV71QrFmiWerS3UtIfgzbt-8&type=video_thumb)
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