52_100_Lecture_9_11_07

52_100_Lecture_9_11_07 - 200 miles were reported Effect of...

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9/10/2007 1 The Plutonium Bomb – “Fat Man” Fissionable Plutonium U-238 + n U-239 1 0 U-239 0 -1 β + Np-239 N-239 0 -1 β + Pu-239 9 Pu-239 is chemically isolated from all other impurities including uranium The Plutonium Bomb – “Fat Man” A conventional explosion would collapse a subcritical sphere of Pu-239 into a critical mass 10 This design was test on July 16, 1945 in the desert of New Mexico A second bomb was dropped on Nagasaki Japan on August 9, 1945
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9/10/2007 2 Effect of the Atomic Bomb New Mexico July 16, 1945, 5:29 am local time the device exploded with the energy equivalent to 20 kilotons of TNT The device sat on top of a 100 foot tall tower Created a crater 10 feet deep and 1,100 feet wide. The sand in the crater was converted to green glass named Trinitite 11 The mushroom cloud was 7.5 miles in height The shock wave was felt officially 100 miles away while reports of
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Unformatted text preview: 200 miles were reported Effect of the Atomic Bomb Hiroshima B-29 superfortress, Enola Gay dropped Little Boy at 8:15 am on August 6, 1945 Exploded with the force of 12-15 kilotons of TNT Five square mile area was destroyed and 60% of the buildings were destroyed 12 140,000 people out of 350,000 total population were killed 9/10/2007 3 Effect of the Atomic Bomb Nagasaki B-29 superfortress, dropped Fat Man at 11:02 am on August 9, 1945 It exploded 1129 feet above the ground, with the force of 22 kilotons of TNT About 30% of the city including the entire industrial sector was destroyed 13 74,000 people were killed and about the same number were reported injured Japan surrendered on August 14, 1945 to end WWII...
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52_100_Lecture_9_11_07 - 200 miles were reported Effect of...

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