E-Force Fission 175 Racquet 3 5/8 in

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Flight Path Study – United Airlines Flight 175" (PDF). National Transportation Safety Board. February 19, 2002. Archived from the original (PDF) on September 21, 2012 . Retrieved April 18, 2007.

Sources disagree on the exact speed of impact. NTSB study in 2002 concluded around 515mph (448kn; 230m/s; 829km/h), [38] whereas MIT study concluded 503mph (437kn; 225m/s; 810km/h). [39] National Institute of Standards and Technology (2005). Federal Building and Fire Safety Investigation of the World Trade Center Disaster (PDF). p.34. Archived (PDF) from the original on May 30, 2023 . Retrieved May 16, 2023.Spencer, Lynn (2008). Touching History: The Untold Story of the Drama That Unfolded in the Skies Over America on 9/11. Simon and Schuster. pp.74–76. ISBN 978-1416559252. The Port Authority initiated an immediate full-scale evacuation of the North Tower within moments of Flight 11's impact. However, the same was not done for the South Tower during the 17-minute window between the two impacts; instead, the Port Authority instructed workers to remain in place. [53] In spite of these hindrances, the number of people who would have been killed in the South Tower still reduced considerably after the first plane crash, and an estimated 2,900 descended from the trapped floors before the tower was even hit. [54] a b Weiser, Benjamin (September 19, 2011). "Family and United Airlines Settle Last 9/11 Wrongful-Death Lawsuit". The New York Times. Archived from the original on August 24, 2021 . Retrieved August 24, 2021.

Boxer, Sarah (September 11, 2002). "One Camera, Then Thousands, Indelibly Etching a Day of Loss". The New York Times. ISSN 0362-4331. Archived from the original on September 11, 2021 . Retrieved November 17, 2008. National Institute of Standards and Technology (2005). Federal Building and Fire Safety Investigation of the World Trade Center Disaster (PDF). p.46. Archived (PDF) from the original on May 30, 2023 . Retrieved May 16, 2023. a b c Moynihan, Colin (October 21, 2010). "Timetable Is Set for the Only Civil Trial in a 9/11 Death". The New York Times. Archived from the original on August 24, 2021 . Retrieved August 24, 2021. Hadad, Shmulik (January 31, 2008). "September 11 victim laid to rest". Ynetnews.com. Archived from the original on September 21, 2017 . Retrieved July 4, 2017.National Institute of Standards and Technology (2005). Final Reports from the NIST World Trade Center Disaster Investigation (PDF). Archived (PDF) from the original on September 11, 2021 . Retrieved August 24, 2021. Goldstein, Joseph (April 26, 2013). "11 Years Later, Debris From Plane Is Found Near Ground Zero". The New York Times. ISSN 0362-4331. Archived from the original on September 8, 2021 . Retrieved February 20, 2017. Wilson, Mike (September 10, 2005). "Lisa Frost, A Recent College Graduate, Was on Her Way to California to Visit Her Family L". Tampa Bay Times. Archived from the original on September 4, 2021 . Retrieved September 4, 2021.

Deans, Jason. " 'Within 10 minutes of the first crash, around 4m people were in front of a TV watching the tragedy unfold.' ". The Guardian. Archived from the original on August 25, 2013 . Retrieved September 12, 2001. Flight 175's crash into the South Tower was faster and lower down than that of the North Tower, impacting close to a corner rather than midway into the structure, compromising its structural integrity more. Thus, there was far more structural weight pressing down on an unbalanced, damaged section of the building on fire. [72] The South Tower collapsed at 09:58:59, [73] :80 [74] :322 after burning for 55 minutes, [f] being the first of the two skyscrapers to collapse despite being the second to be hit, and only burning for around half the amount of time as the North Tower did before it fell. Nobody who was in the South Tower at the time of its collapse survived. [75] Federal Bureau of Investigation (September 21, 2001). "Interview with Gail Jawahir" (PDF). Intelfiles. Archived from the original (PDF) on October 26, 2008 . Retrieved October 23, 2008. The precise number of those killed or trapped by Flight 175's impact has never been conclusively verified, although it is estimated that between 619 and 690 people were present on floors 77–110 at 09:03 and only 18 of them survived. [1]The present document only specifies the C-plane (control plane) of the DECT NWK layer. It contains no specification for the U-plane (user plane) because the U-plane is null for all services at the DECT NWK layer.

A Nation Challenged: the Trade Center Crashes; First Tower to Fall Was Hit At Higher Speed, Study Finds". The New York Times. February 23, 2002. Archived from the original on October 16, 2022 . Retrieved October 15, 2022.Commission Staff Report" (PDF). September 2005. p.18-19. Archived (PDF) from the original on July 12, 2014 . Retrieved May 3, 2023. MINUTES: Last Words at the Trade Center; Fighting to Live as the Towers Die". The New York Times. May 26, 2002. Archived from the original on September 12, 2009 . Retrieved December 5, 2022. National Institute of Standards and Technology (2005). Federal Building and Fire Safety Investigation of the World Trade Center Disaster (PDF). p.52. Archived (PDF) from the original on May 30, 2023 . Retrieved May 16, 2023. Distant voices, still lives, 08:00-09:35". The Guardian. August 18, 2002. Archived from the original on May 16, 2023 . Retrieved May 16, 2023.