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Originally posted by wmd_2008
Originally posted by psikeyhackr
Originally posted by hooper
You trust Newton, don't you?
Of course not, Newton is dead.
Physics is not Newton.
Experiments can be done with physics now.
You can just come up with rhetorical bullsh#!
psik
Why dont YOU calculate the impact loads possible washer man!!!! then STFU about newtons laws if you are going to quote them USE them fully, work out the IMPACT LOAD!!!
PLENTY OF CALCULATORS ON THE NET HERE TRY THIS ONE
www.livephysics.com...
HEIGHT 3.66 mts (floor height for wtc)
Mass 700 tons for the concrete in a floorslab so 700,000 kg
Gravity 9.8
Distance traveled after impact thats the tricky part.
I had to eat my lunch through tears. I love I am Second, but it's not always easy.
Originally posted by OGKushKiller
This is Brian Birdwell, a pentagon 9/11 burn victim. Pretty sad story to hear what its like to have actually been on the verge of death on 9/11 and what was going on in THERE head.
www.iamsecond.com...
Originally posted by ManBehindTheMask
might not agree on a certain viewpoint.......
Why not? The U.S. government has done it in the past.
Originally posted by KILL_DOGG
Originally posted by ManBehindTheMask
Originally posted by ziggyproductions05
reply to post by ManBehindTheMask
Did you even watch the video?
sure did.......and I think its pretty underhanded to tell people there is something wrong with them just because they might not agree on a certain viewpoint.......
Took the words right out of my mouth man. I'm sorry, but I don't buy all the paranoid delusions about thermite and controlled demolition. What happened that day was horrible, and to my mind the only conspiracy I have ever believed in in regards to 9/11 is that the government knew that an attack was eminent and didn't react quick enough to stop it. But to say that there's something wrong with people who don't believe every youtube video that comes out about holographic planes is just dumb and shows that the truthers will do just about anything to be believed.
Jet Fuel Doesn't Get Hot Enough to Melt Steel
For the umpteenth time, nobody ever claimed the steel melted. It got hot enough to lose its strength.
So Where Did All The Molten Steel Come From? There are lots of accounts alleging that rescue workers encountered molten steel. The first question that comes to mind is whether these witnesses know the difference between incandescent and molten. Steel can get hot enough to glow long before it gets hot enough to melt. The fact that glowing steel was pulled out of the rubble doesn't mean it was molten.
One particular red herring that crops up frequently is that temperatures in the rubble were high enough long after the collapse to melt aluminum. Since aluminum melts at 660o C (1220o F) I don't have the slightest doubt of it. Since a backyard trash fire can melt aluminum, so what?
Apparently, the melting of steel signifies the use of explosives or thermite cutting charges. But the purpose of either is to cut steel, not melt it. A controlled demolition simply does not produce large amounts of molten steel. You might as well argue that all the concrete dust shows the buildings were taken down by an army of gnomes armed with grinding wheels.
If the World Trade Center was hot enough to melt steel, where's all the molten concrete? Iron melts around 1500o C but so do many of the silicate minerals in concrete, and a mixture of silicate minerals would melt at a temperature lower than any of the individual minerals (I'm a geologist - I get paid to know about stuff like that). The fine particle size of the concrete dust would facilitate melting. So why wasn't there a huge puddle of molten concrete at Ground Zero? (There was some, but about what you'd expect from a large fire; certainly not what you'd expect from something hot enough to melt large amounts of steel.)
In a paper by Steven E. Jones, who bills himself as a "Physicist and Archaeometrist," there are pictures of glowing material falling from the World Trade Center, together with this comment:
Who can deny that liquid, molten metal existed at the WTC disaster? The yellow color implies a molten-metal temperature of approximately 1000o C
1000o C, is about 500o C below the melting point of iron.
Oh, by the way, there would have been cutting of steel during the construction. And there's another construction process that melts steel. Welding.
Originally posted by jonnywhite
reply to post by psikeyhackr
Your blog states that every floor on WTC has to hold the combined weight of every floor above. From what I know, this statement is incorrect. Each floor has a capacity, true, but each floor does -not- have to carry the combined weight of all floors above it. Each floor is instead held up by the central columns, not by the floor(s) below it. This highlights a potential problem with WTC 1&2.
In the pancake collapse, the buckling and heating at the higher floors caused them to collapse. We know from recorded videos that buckling was present just before the collapse of both towers. Since each floor only has a rated capacity for itself alone and not the floors above it, the collapsing floors were able to tear through the floors below them in rapid succession.
As far as I understand it, the only confusing part is how the central columns did -not- survive the collapse. In the pancake collapse simulations, for example, the core remains.edit on 21-9-2011 by jonnywhite because: (no reason given)
Yes they can. However, they do not agree that 'looks like' means 'is'. I've seen what looks like the Mona Lisa painted on a cereal box. Doesn't mean it is.
Originally posted by psyop911
Originally posted by ManBehindTheMask
might not agree on a certain viewpoint.......
yeah. debunker's can't agree with a viewpoint that all three collapses looked like controlled demolitions.
which has been recorded by 100s of cameras. so much for "certain viewpoints". lol.
Originally posted by Mcupobob
reply to post by Amaterasu
Again with the molten metal.
...
There was no molten steel, melted aluminum yes but not molted steel.
Red Hot Debris. The removal of debris from the collapsed areas requires the safe lifting and maneuvering of very heavy steel beams, often twisted and tangled from the force of the collapse. Some beams pulled from the wreckage are still red hot more than 7 weeks after the attack, and it is suspected that temperatures beneath the debris pile are well in excess of 1,000°F.
Actually, it doesn't make sense even with explosives. Even if the supports were cut, they still would not be moving at free fall when they were hit the stuff coming down. It's like a car going 30MPH hitting one going at 10MPH. The 10MPH will speed up, and the 30MPH will slow down.
In the case of the north tower, 94 floors, all the way to the ground, to within a few seconds of absolute free fall, in nothing but air.
If that "makes sense" (absent the use of explosives) then please enlighten us!
Too bad the melting point of steel is around of 2,500 F.
Originally posted by Amaterasu
Originally posted by Mcupobob
reply to post by Amaterasu
Again with the molten metal.
...
There was no molten steel, melted aluminum yes but not molted steel.
Ok. Others have reported differently. Those who were there on the scene.
From: thermalimages.nfshost.com...
Red Hot Debris. The removal of debris from the collapsed areas requires the safe lifting and maneuvering of very heavy steel beams, often twisted and tangled from the force of the collapse. Some beams pulled from the wreckage are still red hot more than 7 weeks after the attack, and it is suspected that temperatures beneath the debris pile are well in excess of 1,000°F.
So who do You believe? If that was the ONLY questionable thing on 9/11, I'd believe the OS. But if it was a conspiracy (which evidence strongly supports), I would expect "experts" talking molten aluminum (600ish deg) to downplay or obfuscate the actual temps found in the rubble.
Me and Isaac Newton. Who said a CD falls at freefall?
Originally posted by smarterthanyou
reply to post by 000063
Free fall, or near free-fall, is not impossible with explosives. Who said this?
Have you? Find a full video of a CD moving at freefall.
Have you ever timed a controlled demolition?