Sound: Crash Course Physics #18
9:39
YouTubeCrashCourse
Sound: Crash Course Physics #18
We learn a lot about our surroundings thanks to sound. But... what is it exactly? Sound, that is. What is sound? And how does it travel? And what is this doppler ...
已浏览 188.6万 次2016年8月4日
短视频
Sound Properties (Amplitude, Period, Frequency, Wavelength) | Physics | Khan Academy
5:16
已浏览 68.8万 次
Sound Properties (Amplitude, Period, Frequency, Wavelength) | Physics |
khanacademymedicine
The Pitch and Loudness of Sound, and a Comparison of Audible Frequency Ranges
7:14
已浏览 26.9万 次
The Pitch and Loudness of Sound, and a Comparison of Audible Frequency Ranges
Knowledge Platform
Windows 7 Tips and Tricks
Best 7 Windows 7 tips in 7 minutes for end users
7:10
Best 7 Windows 7 tips in 7 minutes for end users
YouTubeJavier Nino
已浏览 36.8万 次2009年5月5日
Windows 7 - Tricks & Secrets
4:44
Windows 7 - Tricks & Secrets
YouTubeTheHubtech
已浏览 47.3万 次2011年6月3日
Top 10 windows 7 tips and tricks for Users
10:22
Top 10 windows 7 tips and tricks for Users
YouTubeQuantum PC Support
已浏览 2158 次2013年8月14日
热门视频
GCSE Physics - Sound Waves and Hearing
5:08
GCSE Physics - Sound Waves and Hearing
YouTubeCognito
已浏览 44.3万 次2020年2月26日
What is Sound? The Fundamental Science Behind Sound
9:41
What is Sound? The Fundamental Science Behind Sound
YouTubeBranch Education
已浏览 60.8万 次2018年9月25日
Characteristics of Sound | Pitch, Loudness and Quality | Physics
7:13
Characteristics of Sound | Pitch, Loudness and Quality | Physics
YouTubeNajam Academy
已浏览 39.2万 次2020年8月26日
Windows 7 Upgrade to Windows 10
Upgrade Windows 10 to Windows 11 for Free – No USB, No Data Loss
5:36
Upgrade Windows 10 to Windows 11 for Free – No USB, No Data Loss
YouTubeTechy Druid
已浏览 29.5万 次5 个月之前
Windows 11 Lite Official From Microsoft.
21:48
Windows 11 Lite Official From Microsoft.
YouTubeCyberCPU Tech
已浏览 60.1万 次9 个月之前
Сделал красивую и удобную Windows 10. Простая настройка и кастомизация
6:45
Сделал красивую и удобную Windows 10. Простая настройка и кастомизация
YouTubeMartyFiles
已浏览 16.8万 次2023年8月12日