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Nuclear Bombs Note 5/_/03. What is a nuclear bomb Fission bombs – Alamargordo & Nagasaki Hydrogen bombs – fission-fusion-fission bombs\

Published byRodger Bond Modified over 9 years ago

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Presentation on theme: "Nuclear Bombs Note 5/_/03. What is a nuclear bomb Fission bombs – Alamargordo & Nagasaki Hydrogen bombs – fission-fusion-fission bombs\"— Presentation transcript:

1 Nuclear Bombs Note 5/_/03

2 What is a nuclear bomb Fission bombs – Alamargordo & Nagasaki Hydrogen bombs – fission-fusion-fission bombs\

3 Effects of nuclear bomb Three forms of energy released –Blast –Heat –Radiation

4 Nuclear Blast Wall of compressed air Moves about 12 miles/hour (about the speed of sound) Hundreds of times that of atmospheric pressure Creates “enormously high winds” (160-500 mph)

5 Nuclear Heat Central region hottest – fireball Millions of degrees Releases thermal radiation Travels at the speed of light Heat is felt before blast (just like lightning is followed by thunder)

6 Nuclear Radiation Many types of electromagnetic radiations –Light (stuff we see) –X-rays –Ultraviolet light –Infrared light –Gamma rays

7 The mushroom cloud Hot air moves upwards Drags particles with it Radioactive material stick to particles Radioactive particles cool and fall back to earth – which ever way the wind is blowing…

8 Hiroshima Damage 12.5 kiloton TNT.1 sec, 15 meter radius fireball, 300,000 C Atomic cloud 17,000 m tall Within 1 km radius of ground zero = death from thermal burns Within 3.5 km substantial burns Within 500 m fatal radiation, within 3-5 km lasting radiation effects Winds up to 440m/s (houses collapsed, building ceilings… 140,000 died

9 Nuclear Blast Damage

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