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Re: 57 Great Fact About Earth You Dont Know by MythAngel: 2:54pm On Jun 24, 2015 |
Macelliot:With the new lense of inquiry into the fabric of space and time . we understand better the classical laws which brought forth gravity. And the conclusion is that gravity as perceived is only a gross approximation of the whole picture ... To make you understand this Fact. You need to consider the experiment that confirmed Einstein's idea, that space is warped by energy and matter in it.. What this means , is that even light that we understood to travel in straight line , may not always take a straight path if the space its traveling in is warped by large mass such as the mass of the sun ... So now , with this in mind we could see that at the center of the earth, all the space around it is so great that you simply would be bent in by the dense space. As a summary it means your acceleration would increase towards the center as you fall , reaches its peak at the center but the same force that pulls you in would be the one to counter you moving away from it , hence you stocked ..and any hope to take you away would live you a vegetable 2 Likes |
Re: 57 Great Fact About Earth You Dont Know by XavierBlue(m): 2:56pm On Jun 24, 2015 |
daveP:shey na gold mine be that. The thing deep o. XavierBlue |
Re: 57 Great Fact About Earth You Dont Know by oluwaisaac(m): 3:15pm On Jun 24, 2015 |
Very instructive post...you won't find our youths contributing anything here. May God help this nation. |
Re: 57 Great Fact About Earth You Dont Know by majalisa(m): 3:21pm On Jun 24, 2015 |
XavierBlue:no wonder dem SAbi ball |
Re: 57 Great Fact About Earth You Dont Know by acenazt: 3:42pm On Jun 24, 2015 |
OREMUSSANCTUS:hmmmm somebody no even get idea say Germany man 2 some decades ago |
Re: 57 Great Fact About Earth You Dont Know by hottestlegs: 4:03pm On Jun 24, 2015 |
MythAngel: wow! am happy I finally see some one who talks science. we need more science and tech incline individual in Nigeria if we must move forward because it is what drive modern society forward. that said, @mythAngel the gravitational acceleration g is actually zero at the center of the Earth. the relationship between g at the surface and g' at any depth d inside the earth is given by g'= g(1-d/r) where r is the radius of the earth. just as I said in my previous post just beyond the center of the earth the gravitational force would tend to return the body back to the center (g' now acting backward note the formula) while the built up momentum as a result of the initial gravitational force would interact and balances out at a point where the subsisting gravitational force would tend to bring back the body toward the center and the circle continue in a simple harmonic motion. this is too idealist and simplistic theoretical model with a whole lot of assumptions. thanks MythAngel 1 Like |
Re: 57 Great Fact About Earth You Dont Know by Macelliot(m): 4:45pm On Jun 24, 2015 |
MythAngel:Nice! You got my point! |
Re: 57 Great Fact About Earth You Dont Know by calculator123(m): 5:31pm On Jun 24, 2015 |
XavierBlue:who count am |
Re: 57 Great Fact About Earth You Dont Know by calculator123(m): 5:47pm On Jun 24, 2015 |
XavierBlue:it not possible the temperature of the earth core is so hot |
Re: 57 Great Fact About Earth You Dont Know by paulemi(m): 5:49pm On Jun 24, 2015 |
hottestlegs: Wow! I think I like you hottest legs.....or more like hottest brain. I am not a physicist, but as someone who understands a little bit of that, I totally agree with your line of reasoning. However, in this case the emphasis seems to be on helping the lay man appreciate the depth of such a hole beyond just meters and ft. In other words, assuming every other factor (like g) is kept constant, knowing the earth's average diameter and knowing we jumped from state of rest, time can be assumed. A lay man can appreciate it better that way. |
Re: 57 Great Fact About Earth You Dont Know by calculator123(m): 5:54pm On Jun 24, 2015 |
paulemi:actually d earth diameter are only approx so d time taken might nt b totally corect |
Re: 57 Great Fact About Earth You Dont Know by paulemi(m): 6:07pm On Jun 24, 2015 |
Macelliot: Mount Everest is not the highest point on earth. Yes, it's the highest mountain, but you need to consider its location and also the shape of the earth. |
Re: 57 Great Fact About Earth You Dont Know by paulemi(m): 6:15pm On Jun 24, 2015 |
@calculator123, I used the phrases 'average diameter' and 'time can be assumed' for a reason. Its certainly not absolute. |
Re: 57 Great Fact About Earth You Dont Know by MrOlai: 6:18pm On Jun 24, 2015 |
XavierBlue: This is incorrect! The Earth's core has the temperature of around 6000°C as obtained from average geothermal gradient while the interior temperature of the sun is around 15million °C! The surface temperature of the sun alone is around 6000°C. Any way, well done! |
Re: 57 Great Fact About Earth You Dont Know by KEVIND: 7:44pm On Jun 24, 2015 |
Quite insightful. |
Re: 57 Great Fact About Earth You Dont Know by MythAngel: 11:19pm On Jun 24, 2015 |
hottestlegs: Thank you also for understanding my point . was afraid I sounded too esoteric for an average scientist ... But with people like u I know am not alone |
Re: 57 Great Fact About Earth You Dont Know by daveP(m): 11:25pm On Jun 24, 2015 |
XavierBlue:it must be. They cant dig a hole just for the fun of it and guiness record. |
Re: 57 Great Fact About Earth You Dont Know by Nobody: 1:04am On Jun 25, 2015 |
hottestlegs:after una don check google,una cum dey form scholar. |
Re: 57 Great Fact About Earth You Dont Know by AgentOfAllah: 4:30am On Jun 25, 2015 |
XavierBlue: Dude 1) Isn't it a stretch to pass a mere assumption for one of "57 great facts"? 2) Your so-called assumption was unqualified. You only mentioned 42 minutes, you never mentioned how so. Will it be based on gravitational pull or based on your newly acquired tunnel navigator which moves at a steady velocity of 303km/h, irrespective of counterforces? Your fact should more aptly read like this: Supposing you're not vaporised under the intense heat emitted from the core, and assuming only gravity, it'll take you about eternity to get to the other side. |
Re: 57 Great Fact About Earth You Dont Know by AgentOfAllah: 4:51am On Jun 25, 2015 |
ADAMUdaCOWBOY: You do realise that your inertia argument is only valid in the absence of an external force, right? As it turns out, F=ma. I assume here, that you know you're essentially matter. All matters have effective mass 'm' and the object approaching the core is also experiencing 'g' from the earth's core. As g=a, you cannot assume inertia when g is, in fact, acting on you. |
Re: 57 Great Fact About Earth You Dont Know by harizonal123(m): 6:06am On Jun 25, 2015 |
Macelliot:This has to do with land topography & not height |
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