File:Почему вертолёты летают так медленно.webm

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Original file ‎(WebM audio/video file, VP9/Opus, length 7 min 1 s, 1,920 × 1,080 pixels, 1.97 Mbps overall, file size: 98.77 MB)

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Русский: Скорость вертолёта ограничена двумя параметрами: во-первых, отношением вращательной скорости конца лопасти к поступательной скорости фюзеляжа, во-вторых тем, что скорость конца идущей вперёд лопасти относительно воздуха не может превышать скорость звука.
Date
Source YouTube: Почему вертолёты летают так медленно? – View/save archived versions on archive.org and archive.today
Author GetAClass - Физика в опытах и экспериментах

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w:en:Creative Commons
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This file is licensed under the Creative Commons Attribution 3.0 Unported license.
Attribution: «GetAClass» web project
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Date/TimeThumbnailDimensionsUserComment
current05:59, 3 February 20227 min 1 s, 1,920 × 1,080 (98.77 MB)Rubin16 (talk | contribs)Imported media from https://www.youtube.com/watch?v=f-rIigXtxiA

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Format Bitrate Download Status Encode time
VP9 1080P 2.69 Mbps Completed 06:19, 3 February 2022 19 min 16 s
Streaming 1080p (VP9) Not ready Unknown status
VP9 720P 1.67 Mbps Completed 06:13, 3 February 2022 13 min 11 s
Streaming 720p (VP9) Not ready Unknown status
VP9 480P 999 kbps Completed 06:10, 3 February 2022 10 min 54 s
Streaming 480p (VP9) Not ready Unknown status
VP9 360P 585 kbps Completed 06:08, 3 February 2022 8 min 27 s
Streaming 360p (VP9) Not ready Unknown status
VP9 240P 337 kbps Completed 06:06, 3 February 2022 6 min 17 s
Streaming 240p (VP9) 251 kbps Completed 03:16, 13 December 2023 2.0 s
WebM 360P 588 kbps Completed 06:05, 3 February 2022 5 min 4 s
Streaming 144p (MJPEG) 803 kbps Completed 21:04, 18 November 2023 22 s
Stereo (Opus) 85 kbps Completed 02:45, 25 November 2023 8.0 s
Stereo (MP3) 128 kbps Completed 21:04, 18 November 2023 13 s

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