aluminum vs steel?
(media.greatawakening.win)
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Aluminum at 400 miles an hour carries much more force.
Roger that Pbman2. It’s called ballistics.
MIT calculated North Tower impact at 429 mph and South Tower at 503 mph.
Kinetic Energy = 1/ 2(mass) X velocity squared
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That doesn't matter. The steel would still survive the force.
The inboard wing of a plane like that is much heavier constructed, toward the outboard side it's pretty light.