Quote:
Originally Posted by xxxdesign-net
buildings always fall down straight? really? Go learn a bit more about demolition companies and the work they do... There are actually techniques to make a building fall in their footprint... It doesn't just automatically happen..
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Ok, well let's use the fascinating science of "common sense" to analyze how a building would fall down.
let's look at the forces at play in the system.. we have a building with lots of mass. We have the force of gravity acting with constant force in the direction of towards the centre of the earth (ie straight down). We have some wind forces acting on the building as well.
So there is basically 2 possibilities - the building, due to loss of structural integrity, succumbs to the force of gravity and falls - wait for it - straight down, or it get's blown over by a gust of wind.
Please, tell me how a building would NOT fall straight down. Then explain specifically how the twin towers "should" have fallen, given you believe it was a controlled demolition.
Quote:
Originally Posted by xxxdesign-net
I think people are saying "near free fall speed" not "free fall speed" ...
Hope I cleared things up for you...
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In order to calculate this you have to identify t0 (the moment the building began to fall) and t1 (the moment when the building stopped falling). This is impossible, or at best horribly inaccurate because
a) no building falls as one solid mass - perhaps internal structures like floor beams (that cannot be scene in the video unless you have superman x-ray eyes) began to fall before the exterior skin of the building. How do you identify t0 accurately?
b) you cannot identify when the building "stops" falling, due to the debris cloud that is about 200-300 feet in radius.
I welcome any possible rational response. Unfortunately, there isn't one - the best any looney-bin 9/11 "truther" can come up with is postdictive speculation, pseudo-science, fallacy, lies, deflection, etc.
In this case, please select the appropriate 9/11 truther response:
"Yeah well, what about the pentagon? huh? what about that?"
"yeah well look at this pic of molten steel"
"yeah well steel doesnt MELT at the temperature of jet fuel, so there!"
"oh yeah well look at these puffs of smoke - see! that's explosives!"
"ya look at this video of thermite burning.. then look at this video - look it's thermite!"
"ya well, none of this explains building 7?? ha HA! building seven.. explain that one then smart guy"