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Dust Cloud Expansion Energy Sink Vastly Exceeded Gravitational Energy Source

  • Dust cloud of North Tower expanded to about 5 times building volume by 30 seconds from collapse start.
  • Heat energy is required to produce expansion:
    Ideal gas law: PV = nRT where:
    P = pressure
    V = volume
    T = absolute temperature
  • Heat required over 10X gravitational potential energy.
    • Energy required for 3.4X expansion is on the order of 1,500,000 kWH.
    • Gravitational energy was about 100,000 kWH.

CNN video of North Tower collapse

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