It's quite obvious you do not understand physics Alex. When those cores were underneath and not weakened below the 70th floor there would have been resistance even if I accept that those cores were all weaken in the first place above the 70th which I don't but you do. So in your understanding of a basic law in physics please explain how the conservation of momentum would help your case when in fact as each floor collapsed it would have resistance - hence what the Conservation of Momentum clearly explains.
Another words for people who do not understand physics in simple terms - it would not have fallen as fast as it did. It would have been impossible. See it’s science Alex.
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