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Pressure Demo: Water Column 

Physics Demos
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This is a demonstration that pressure increases with depth in a column of water. The demonstration is carried out by filling a graduated cylinder that has three side openings with water, and observing the speed with which the water exits through the three openings.
This demonstration was created at Utah State University by Professor Boyd F. Edwards, assisted by James Coburn (demonstration specialist), David Evans (videography), and Rebecca Whitney (closed captions), with support from Jan Sojka, Physics Department Head, and Robert Wagner, Executive Vice Provost and Dean of Academic and Instructional Services.

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19 авг 2016

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Комментарии : 70   
@lusionn
@lusionn 3 года назад
If your science teacher asked you to watch this video
@ashthatsliterallyit9433
@ashthatsliterallyit9433 3 года назад
Wow how did you know
@kingcr7-g.o.a.t383
@kingcr7-g.o.a.t383 3 года назад
Are you Wizard?
@grandre3464
@grandre3464 3 года назад
Nah, i’m just curious lol
@vedam4694
@vedam4694 2 года назад
AHAHHAHAHAA
@tanujaiswar1081
@tanujaiswar1081 2 года назад
I m just wants to know
@polarunion
@polarunion 5 лет назад
Thank you for jumping between all of the units of measurement!
@codacoder
@codacoder 3 года назад
Thank you physics man
@Novus591
@Novus591 Год назад
Great Demo!!!
@neodiy
@neodiy 3 года назад
Good experiment --- this helps me with my project to install higher tank on the shower unit to help increase the pressure
@asimplesolution5351
@asimplesolution5351 3 года назад
well maybe you should watch this again then....
@jtoker9758
@jtoker9758 2 года назад
That would make a pretty sweet water bong there Professor.
@risabhpandey2720
@risabhpandey2720 10 месяцев назад
Is it at the mid point (hole) has rage more in compare to other?
@variousarts3194
@variousarts3194 2 года назад
Can you tell me the name of the apparatus.
@eco-enjoyer
@eco-enjoyer Год назад
Here because of Titanic submersible implosion, prayers to all victims.
@nasirabanonasira4007
@nasirabanonasira4007 10 месяцев назад
Wow here bc of science class
@jamilachowdhury4710
@jamilachowdhury4710 3 года назад
nice
@starynoon8084
@starynoon8084 4 года назад
Love it
@joelroblin4665
@joelroblin4665 Год назад
Titan Science
@physicsA2Z
@physicsA2Z 5 лет назад
Please try to open all three stoppers concurrently. It adds to the effect.
@alpha6570
@alpha6570 5 лет назад
Sir nice lagsa 👌🏻
@stickyonestill3324
@stickyonestill3324 3 года назад
nice mr tapster
@amirulaiman4501
@amirulaiman4501 3 месяца назад
How can i measure the velocity of the water while it flows out
@samyibrahim229
@samyibrahim229 3 года назад
clear idea for a great clue
@wraiz8563
@wraiz8563 3 года назад
what
@hansghana3967
@hansghana3967 4 года назад
i would like to download ur video for my physics class
@rosegarden80
@rosegarden80 2 года назад
Can i do it with water bottle?
@mddelman
@mddelman 5 месяцев назад
Do you have time to answer a question for me? I have a cylinder filled with water, There's a small hole in the top that I can open and close. There's a hole in the bottom that I can open and close, just to control whether or not water is released. If both holes are closed, obviously no water is released. If the cylinder is filled to the top and I open the bottom hole, no water is released until I open the hole at the top. If I open the top hole very briefly, some water is released but stops very quickly after I close the hole at the top. If the cylinder is only two-thirds full, the flow continues for a longer amount of time after I close the top hole. If it's one-third full, it takes an even longer time to stop flowing. Can you tell me why it works this way? I'd be most appreciative if you can answer this question. Thanks very much!
@WondersofPhysics-fl7lz
@WondersofPhysics-fl7lz 3 месяца назад
I have made a video on this topic ,please check it out...
@layzymarky7351
@layzymarky7351 2 месяца назад
This is due to the formation of a vacuum when you open the bottom but remains close to the top. Thus the pressure (atmospheric) is greater to the bottom while maintaining a vacuum to the inside can full of water. However when you open the top the water begins to flow because now the air can now enter the cylinder, this will relieve the vacuum effect, thus allowing the air to replace the volume of water that exits to the bottom hole.
@layzymarky7351
@layzymarky7351 2 месяца назад
In terms of the water level, like one third or 2 thirds full, it is I think the amount of air space that occupies the cylinder. When the air space is greater then it creates a greater space for the expansion of air, with this expansion it will delay the formation of a vacuum thus allowing the water to continue flowing longer
@mddelman
@mddelman 2 месяца назад
Thanks for helping me understand this. That makes sense!
@delhigamerz5253
@delhigamerz5253 7 лет назад
u r the best
@physicsdemos
@physicsdemos 7 лет назад
Thanks!
@mysha5489
@mysha5489 3 года назад
Here because my teacher told me to watch this :)
@likeaboss4351
@likeaboss4351 3 года назад
LOL Same
@kingcr7-g.o.a.t383
@kingcr7-g.o.a.t383 3 года назад
Oh boi
@heinerknallinger3974
@heinerknallinger3974 6 месяцев назад
Thank you. Why do these videos always stop at when it's getting really interesting? 😉 What would be the next step is - imho - how do the holes effect the stream so that e.g. all three streams can flow parallely? And how much water do they emit so I know how much water had to be reinserted constantly to keep the initial level of water and therefore the initial level of pressure on each hole. I know, I am asking for a lot. But I really want to know! 🙂 Also I would have like to see what happens initially, if there was a constant supply water fill. Because, it seems that all three streams hit the exact same point in the sink at their initial emission. Is this true? Simply to gravity? I doubt it, but I would like to have known. And why do you just "describe the formula" but do not show it - at least in the description? I would find this a necessary addition to make the video complete.
@sallyrutledge4726
@sallyrutledge4726 5 месяцев назад
Smaller hole at bottom, larger at top ???
@heinerknallinger3974
@heinerknallinger3974 5 месяцев назад
LOL Nooooo kidding? In fact, you are totally wrong there… just the opposite. But HOW big exactly? @@sallyrutledge4726
@scriptedframes
@scriptedframes 6 лет назад
the video is realy good
@nur2500
@nur2500 4 года назад
what is the volume of the graduated cylinder and the mass? or (density)
@wraiz8563
@wraiz8563 3 года назад
why whould you ever need the density of a graduated cylinder, the only volume you need is the one it contains wich has variable density and in this case it was filled with water so density 1 altho it depends on temperature wich should've been close to 22°
@mahikasrivastava2794
@mahikasrivastava2794 Год назад
🙏🏻❣️❣️🙏🏻
@prakashk9162
@prakashk9162 6 лет назад
What about velocity
@wraiz8563
@wraiz8563 3 года назад
what in the fuck are you talking about man
@natashathresa550
@natashathresa550 2 года назад
Well I was attending my online class my teacher told me to watch this video
@vedam4694
@vedam4694 2 года назад
yall here cus of yalls physics teacher innit😭
@sarveshmalayanss2572
@sarveshmalayanss2572 2 года назад
Ya
@rickovsky980
@rickovsky980 4 года назад
Is this the Mr Rogers of physics?
@MOHAMADFARISFAIZBINNORAKMALMoe
@MOHAMADFARISFAIZBINNORAKMALMoe 2 месяца назад
faham
@HrSamstag
@HrSamstag Год назад
Video is 1:45. Until 1:25 we hear in different variations that the deeper (nearer to the earth’s gravity center) the water goes, the higher the pressure gets. It’s the same with air btw. Nice video, but much to much teacher.
@zaminkhan5676
@zaminkhan5676 Год назад
Without of wasting water experiment could be done.
@alifaruk776
@alifaruk776 3 года назад
8*b ye selamlar
@RandomerFellow
@RandomerFellow 11 дней назад
now I need to pee
@anilkumarsharma8901
@anilkumarsharma8901 Год назад
All the American🇺🇸 following👌 me for universe🌌 better place to💧 live Where atmospheric pressure is source of energy⚡ and nature🌿🍃 become the way of life 👌👌👌👌
@user-ly9vg7bp6l
@user-ly9vg7bp6l 6 лет назад
いいね
@blondeballerina7754
@blondeballerina7754 3 года назад
@Joker Army FF Gaming that's because it's in japanese genius
@orangepotato2112
@orangepotato2112 3 года назад
@Joker Army FF Gaming means okay then/sounds good
@wraiz8563
@wraiz8563 3 года назад
what in the fuck, I mean it is nice but i shouldn't be remembering my jp in a physics video
@indiacares4486
@indiacares4486 3 года назад
Flosite
@scriptedframes
@scriptedframes 6 лет назад
sorry subscribe
@wraiz8563
@wraiz8563 3 года назад
what
@EHvan587
@EHvan587 4 года назад
Mmmmmmmmmm, munkey
@beeoxo7556
@beeoxo7556 2 года назад
I don’t like this video
@user-jp2jc2sv2f
@user-jp2jc2sv2f 7 месяцев назад
Don't waste water community 💀☠️
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