Стоячие звуковые волны в трубах
Находящийся внутри трубы столб воздуха может сжиматься и разжиматься, как пружина.
3 months ago 00:01:46 119
3 months ago 00:04:30 1
3 months ago 00:16:45 1
3 months ago 00:00:31 1
3 months ago 00:16:46 380
3 months ago 00:10:43 9
4 months ago 00:10:02 1
4 months ago 00:05:08 1
4 months ago 00:03:11 1
4 months ago 00:10:42 1
4 months ago 00:02:58 1
4 months ago 00:05:20 1
4 months ago 00:18:02 1
5 months ago 00:04:08 1
5 months ago 01:02:51 1
5 months ago 00:00:29 3.6K
5 months ago 00:05:17 1
5 months ago 00:59:22 19
5 months ago 00:15:19 275
6 months ago 00:10:40 6
6 months ago 00:02:53 118
6 months ago 00:13:35 1
6 months ago 01:15:55 1
6 months ago 00:05:29 178