Quote:
Originally Posted by pocketkangaroo
I think people fail to realize how much these buildings sway on a windy day. I worked in a skyscraper for a few years and you could tell when you had a real windy day.
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Yes, but wind sway is a relatively gentle, gradual force. Rare gale force winds are only 60 MPH.
A fully loaded 767 slamming into the building at 500 MPH is not a gradual gentle event. It is a violent sudden energy spike.