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Nairaland Forum / Entertainment / Forum Games / Brain Teaser: Which Glass Will Be Filled First And Why? (38855 Views)
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Re: Brain Teaser: Which Glass Will Be Filled First And Why? by Gokoyer0(m): 5:49pm On Jan 05, 2021 |
I hope we all agree that all the cups don't have lid/cover. So, in the two smaller cups mount on each other between cup 1 and 2, overflowing will occur and take longer time before it will forced/pressurised the cup on top to start shelving the liquid into cup 2. This is not the case for cup in between cup 3 and 4. Despite the overflowing that will occur in the mounted cups btw 1 and 2, the cup between 3 and 4 looks to have the same or even smaller capacity in comparison with the former before it will start shelving it's content into 4. Hope it makes sense. TheCalculator: 1 Like
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Re: Brain Teaser: Which Glass Will Be Filled First And Why? by saintruky(m): 5:50pm On Jan 05, 2021 |
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Re: Brain Teaser: Which Glass Will Be Filled First And Why? by Nobody: 6:26pm On Jan 05, 2021 |
Loris576:You're very correct. The volume is one measured to be considered. |
Re: Brain Teaser: Which Glass Will Be Filled First And Why? by AkuFather(m): 7:07pm On Jan 05, 2021 |
The glass wey go first full no get number.the small glass under . TheCalculator: |
Re: Brain Teaser: Which Glass Will Be Filled First And Why? by Nobody: 7:11pm On Jan 05, 2021 |
CharleyBright:Omo you like Cork too much why.
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Re: Brain Teaser: Which Glass Will Be Filled First And Why? by Frankmore96: 7:45pm On Jan 05, 2021 |
Glass 4 Will Full First, Followed by Glass 2, Then Glass 3 and Lastly, Glass 1.
Check The The Levels of The Host Very Well, You Will Understand. |
Re: Brain Teaser: Which Glass Will Be Filled First And Why? by Nobody: 7:47pm On Jan 05, 2021 |
Agwaso:But this question relates to fluid mechanics. by inspection the jug for cup 2 has higher altitude so fluid tend to flow at a fast rate due to the increase in pressure at high altitude. The size of cup 2 is also smaller compared to cup 4 so fluid is faster at small size compared to bigger sizes. Am open for any of your reasons. |
Re: Brain Teaser: Which Glass Will Be Filled First And Why? by Nobody: 7:58pm On Jan 05, 2021 |
presleYzzi:But the flow rate of the fluid depends on the altitude because there's high pressure on high altitude compared to low altitude. |
Re: Brain Teaser: Which Glass Will Be Filled First And Why? by Nobody: 8:02pm On Jan 05, 2021 |
pyrex23:Exactly, the higher the altitude the more the pressure, fluid tend to flow at a higher altitude with increased pressure. |
Re: Brain Teaser: Which Glass Will Be Filled First And Why? by Nobody: 8:13pm On Jan 05, 2021 |
InvertedHammer:You know what you're doing. |
Re: Brain Teaser: Which Glass Will Be Filled First And Why? by Jimhickey: 8:42pm On Jan 05, 2021 |
Loris576:Okay, lets create a mental picture. when you start pouring the the wine, the wine will be at the same level everywhere. what that means is that in all the pipes and cups it enters, it will still be on the same level. but when there is an opening (a pipe) the level of the wine will stop increasing everywhere until the container where that opening leads to has come to the same level as the others. then they will all start increasing together. from what i just said now, when cup 4 is getting full, the level of the wine will stop rising in that small container between 1 and 2, till 4 is full, then it will continue rising. so the answer is cup 4 then 3, 2 and lastly 1. |
Re: Brain Teaser: Which Glass Will Be Filled First And Why? by Jimhickey: 8:49pm On Jan 05, 2021 |
pyrex23:in the case of this problem, the pressure we are considering is atmospheric pressure. and atmospheric pressure increases with depth. that means the lower a point in the system, the higher the pressure at that point. |
Re: Brain Teaser: Which Glass Will Be Filled First And Why? by Jimhickey: 8:51pm On Jan 05, 2021 |
the volumes of the containers have nothing to do with anything onyechez: |
Re: Brain Teaser: Which Glass Will Be Filled First And Why? by Jimhickey: 8:54pm On Jan 05, 2021 |
senchibi: There is a saying; if the lion says to the goat, "no matter what, the lion does not eat grass", the goat should say to the lion, "no matter what, the goat does not eat flesh". |
Re: Brain Teaser: Which Glass Will Be Filled First And Why? by Jimhickey: 8:56pm On Jan 05, 2021 |
Agwaso: Not necessarily. everything needed to solve the problem is given. |
Re: Brain Teaser: Which Glass Will Be Filled First And Why? by Jimhickey: 8:57pm On Jan 05, 2021 |
olatechnician:No. cup 4 will get full even before that. 1 Like |
Re: Brain Teaser: Which Glass Will Be Filled First And Why? by Jimhickey: 9:01pm On Jan 05, 2021 |
onyechez:Huh! No o. first, atmospheric pressure increases with depth, p=-rgh (the negative there shows negative height, thats dept). secondly, the problem has nothing to do with the volumes of those intermediary containers. in the formular above; p = pressure r = density of fluid g = gravity h = height (and is negative) |
Re: Brain Teaser: Which Glass Will Be Filled First And Why? by Jimhickey: 9:04pm On Jan 05, 2021 |
abc115:Exactly. its a steady flow process at the intermediary containers. rate of Input = rate of output |
Re: Brain Teaser: Which Glass Will Be Filled First And Why? by Jimhickey: 9:06pm On Jan 05, 2021 |
ClassicMan202:that doesnt affect anything. Only that in a real situation most of the wine would spill and only very little would go through the first conduits. |
Re: Brain Teaser: Which Glass Will Be Filled First And Why? by Jimhickey: 9:08pm On Jan 05, 2021 |
kingchris30:No. 4 will fill before it. |
Re: Brain Teaser: Which Glass Will Be Filled First And Why? by Jimhickey: 9:12pm On Jan 05, 2021 |
rufai1440:LOL. i like your analogy, but the surface area of a container doesnt affect the fluid pressure at a point. you should be familiar with the formula p=-rgh i agree with your answer though, 4321. |
Re: Brain Teaser: Which Glass Will Be Filled First And Why? by Jimhickey: 9:15pm On Jan 05, 2021 |
CALCULUS16:it has nothing to do with the volumes of those containers |
Re: Brain Teaser: Which Glass Will Be Filled First And Why? by Jimhickey: 9:17pm On Jan 05, 2021 |
johnero353:nah! that would be redundant information - those are not needed |
Re: Brain Teaser: Which Glass Will Be Filled First And Why? by Jimhickey: 9:19pm On Jan 05, 2021 |
ChiefJusticeFuc:Lol volume has nothing to do here |
Re: Brain Teaser: Which Glass Will Be Filled First And Why? by Jimhickey: 9:21pm On Jan 05, 2021 |
has nothing to do with the sizes b5ive: |
Re: Brain Teaser: Which Glass Will Be Filled First And Why? by Donjuan77: 9:27pm On Jan 05, 2021 |
2 , and dats d end |
Re: Brain Teaser: Which Glass Will Be Filled First And Why? by adelove4real200: 10:51pm On Jan 05, 2021 |
Glass 4 will be filled first. According to physics, the lower the height, the higher the pressure. Glass that is filling glass four has a lower opening thus making the water to gush out more from the side with glass 4. Glass 1 & 2 have intermediate cup between them. It slows down the rate at which water will enter glass 1 & 2. Besides this, the opening of filler to glass 1 & 2 are more higher. Majority choosing 1&2 are wrong. If u want to experiment this, get a tin of raid insecticide cut it's cap and fill it with water. Puncture 3 holes there vertically from top to down. You will discover the lowest hole will bring out more water compare to hole 1 & 2. The lower the height, the higher the pressure. The point with higher pressure deliver more water. |
Re: Brain Teaser: Which Glass Will Be Filled First And Why? by Nobody: 11:25pm On Jan 05, 2021 |
Jimhickey:See the answer.
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Re: Brain Teaser: Which Glass Will Be Filled First And Why? by Nobody: 11:30pm On Jan 05, 2021 |
For those struggling to get the answer. The answer is
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Re: Brain Teaser: Which Glass Will Be Filled First And Why? by Nobody: 11:41pm On Jan 05, 2021 |
Jimhickey:See the answer
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