Besonderhede van voorbeeld: 288900026055149307

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Author: WikiMatrix

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English[en]
From collapse timing measurements taken from a video of the north face of the building, NIST observed that the building's exterior facade fell at free fall acceleration through a distance of approximately 8 stories (32 meters, or 105 feet), noting "the collapse time was approximately 40 percent longer than that of free fall for the first 18 stories of descent."
Korean[ko]
빌딩 북쪽에서 촬영한 붕괴 동영상에서 센 시간에 따라, NIST는 건물의 외벽이 8층 정도(32m)가 자유낙하하는 가속도로 붕괴했으며, "붕괴 시간은 18층 높이가 자유낙하 가속도로 붕괴하는 시간보다 대략 40% 더 길다"라고 말했다.

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