| Metallicube said:
I will repeat this again... A Steel reinforced concrete building CANNOT, I repeat, CANNOT implode at the rate of free fall, without explosive devices of some kind being planted. The towers came down in 10 seconds roughly, meaning the buildings came down at a rate of TEN floors per SECOND. Imagine your house. Then stack 4 more of those on top. Then add thick steel reinforcement, including a massive steel core holding them up. You bilnk, and it is all gone, pulverized.. In ONE SECOND. Do you really see such a scenario occuring without explosives? |
It would need to be on a different planet to come down in one second. Your example would take 2.917 seconds to fall in a vacuum with g being 9.8 m/s² and a structure one tenth the size of the World Trade Center.
I don't really have the patience to argue about this topic for the 300th time, but are people really asserting that steel needs to melt for a building to fail? You don't have to actually melt metal to make it malleable, and if it is malleable, it isn't a very good structure. That's not even getting into the fact that the impact took out or weakened plenty of the exterior and core columns, plus the extra few hundred tons of airplane that was sitting in the building.
