yego.me
💡 Stop wasting time. Read Youtube instead of watch. Download Chrome Extension

Какие лавины самые опасные #vertdider #veritasium


less than 1m read
·Nov 3, 2024

Гораздо более опасны так называемые снежные доски. Если верхний слой снега успел прочно слипнуться и сформировать нечто вроде доски или плиты, в движение приходит сразу большой участок снежного покрова. Вероятность схода такой лавины зависит от крутизны склона. При 2° и менее градусов силы тяжести недостаточно, чтобы стащить снег вниз.

При наклоне более 50° сход лавины маловероятен. На такой поверхности вряд ли накопится достаточное количество осадков; излишки будут сходить небольшими лавинами, и снежная доска так и не образуется. 75% сходов досок происходит на склонах под углом от 34 до 45 градусов. Для сравнения, большинство черных горнолыжных трасс имеют склон 30°, а самые крутые черные трассы — около 40°.

Иными словами, горнолыжники и лавина любят одни и те же условия. [музыка]

More Articles

View All
Skip counting equal groups
What we have here are pictures of running pigs, and we could try to figure out how many running pigs there are by just counting the pigs. But we’re going to start building some new muscles, and this muscle is going to involve, hey, if we group the pigs in…
These Men Love Extraordinarily Dull Things | Short Film Showcase
We formed the Dolan’s Club a while back. We got tired of reading and hearing so much about people always trying to get a fancier car, a bigger house, uh, travel to more exotic places, and come home and tell everybody they go to Las Vegas and come back sai…
Can a Haircut Change Your Life? | The Story of Us
I’m in London to meet Joshua Coombes. He’s a hairdresser. And he believes small acts of love can make a big impact. Joshua hopes he can help the homeless, not by offering them money or food but by giving them a haircut. The reason I started cutting hair …
National savings and investment | Financial sector | AP Macroeconomics | Khan Academy
In this video, we are going to use the GDP equation that we have seen before to think about how national savings relates to investment. Really, it’s a way to algebraically manipulate things to ensure that it fits with our intuition. So another way to thin…
Experimental versus theoretical probability simulation | Probability | AP Statistics | Khan Academy
What we’re going to do in this video is explore how experimental probability should get closer and closer to theoretical probability as we conduct more and more experiments, or as we conduct more and more trials. This is often referred to as the law of la…
Sparks from Falling Water: Kelvin's Thunderstorm
So the people from the Hunger Games came to me and they asked me if I wanted to do an experiment that would be related to power generation. And strangely, there is this one idea that I’ve been thinking about for years, and now finally I have the chance to…