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Depending on the yield and type of detonation, a nuclear weapon detonation can have a radius of several hundred feet to several hundred miles.
Nuclear weapons have been developed of the size as small as a small suitcase, to weighing several tons.
An example of a typical Cold War era weapon in the five megaton range with a surface burst would produce a blast crater approximately a mile and a half wide, and half a mile deep, with a blast radius of about fifty miles. Consider that for a moment, then consider that the Soviet Union at its height claimed to have developed a weapon with a selectable yield that could be as large as 100 megatons. They did test the device, air burst near the Arctic Circle in the 1950's, and the effects were felt several hundred miles away.
A little bit more about yield and burst:Nuclear weapons have yields of under 1 kiloton (the M-28/29 Davy Crockett Tactical Nuclear Recoiless Gun--also referred to sometimes as a "nuclear grenade"--circa 1955, fired the M388 warhead with a yield of .001 - .002 kiloton) to at least 50 megatons (the Soviet Tzar Bomba was said to have a yield of100 megatons). A one megaton device is relatively small but still can cause tremendous devastation. The bombs dropped on Hiroshima and Nagasaki were in the 20 kiloton range (Fat Man was larger, estimated at around 22 kiloton, Little Boy was estimated at around 15 kiloton).During the height of the Cold War, much of the US would have been expected to receive missiles of at least 5 megaton payloads. A five megaton surface burst blast will leave a crater approximately 1½ miles across and ½ mile deep. The blast range of such a weapon would send a wave outward at about 250,000 feet per second (initially...quickly dropping to approximately the speed of sound) for a thirty to fifty mile radius, depending a bit on landforms, falling off in speed as it expanded outward of course.
This leads of course to the second element, burst:
There are three types of nuclear burst: air, surface, and subsurface. The type of burst that causes the greatest amount of physical damage is a surface burst device. This is a weapon that is designed to detonate at impact. The greater destructive force is caused by such close proximity to the ground, where the detonation is concentrated into the ground and ejects debris upward and out in the dramatic "inverted bowl" form that can be seen in much of the test detonation footage.
The second least physically devastating form, or potentially lessor physically devastating form is the air burst. An air burst detonation transmits the force of the blast equally around it. Depending on the altitude at which it fires, an air burst may cause great to no physical damage to people or structures on the ground. Again at the height of the cold war, it was estimated that two Hydrogen devices detonated at high altitude over the US would have caused an EMP (Electromagnetic Pulse) that would have fried all electronic devices in the US, Mexico, and much of Canada. However, even a small hydrogen device fired at lower altitude could create a blast wave that would essentially scrub the ground clean in the blast radius, but would leave no crater, or a minimal crater in its wake. This was the idea essentially behind the Neutron Bomb; one that when detonated left most structures intact outside of the immediate blast zone, but killed by the high radiation it released, leaving the territory essentially clean for occupying troops.
The least devastating form, or least readily visibly devastating form of blast is the sub-surface detonation. Sub-surface devices were developed for attacking underground, primarily "hardened" targets such as bunkers and silos. A small to medium subsurface burst will effectively destroy an enemy stronghold several hundred feet below ground but can leave the surface largely undisturbed. Larger detonations in the 100's of kiloton to the megaton range can leave large subduction zones where the surface above the detonation drops to fill in the void left by the detonation. This of course depends again upon the yield, and also the depth at which the detonation is set.
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Does atomic explosion and nuclear explosion mean the same?
This question could be easily misconstrued. While atomic and nuclear explosion mean the same thing, and all atomic bombs are nuclear bombs, not all nuclear bombs are atomic bombs. The more powerful nuclear bombs are hydrogen bombs, and there is a very important fundamental difference between the two. ============================================================== A bomb is fission - the splitting of an atom H bomb is fusion - the joining together of atoms (and much more powerfull)
Do atomic bombs explode on impact of ground?
Some atomic bombs explode on impact, most explode in the air for maximum destruction caused by the explosion spreading out over a wider area.
Did more people die from the explosion or the after affects of the atomic bombs in Hiroshima and Nagasaki?
Most were killed from the explosion, some survived but may have short term or long term radiation illness which can be terminal.
In what cities were the two atomic bombs dropped on japan?
Japan did not drop any atomic bombs. Rather, the US dropped two atomic bombs on them. The cities that were hit were Hiroshima and Nagasaki.
What happens when two bombs collide?
This question makes no sense as an atomic bomb is a nuclear bomb and vice versa. They are the same thing.
Does atomic explosion and nuclear explosion mean the same?
This question could be easily misconstrued. While atomic and nuclear explosion mean the same thing, and all atomic bombs are nuclear bombs, not all nuclear bombs are atomic bombs. The more powerful nuclear bombs are hydrogen bombs, and there is a very important fundamental difference between the two. ============================================================== A bomb is fission - the splitting of an atom H bomb is fusion - the joining together of atoms (and much more powerfull)
Was the atomic bomb the worlds biggest nuclear explosion?
No. Hydrogen Bombs have been detonated that make the atomic bomb look small in comparison. The Atomic Bombs dropped on Japan in WW2 were 25 Kton (equivilent to 25000 tons of dynamite), while H bombs can be as big as several hundred Megaton (million tons of dynamite)
Do atomic bombs explode on impact of ground?
Some atomic bombs explode on impact, most explode in the air for maximum destruction caused by the explosion spreading out over a wider area.
Is cesium in atomic bombs?
Cesium is not a typical material used in the construction of atomic bombs. The primary materials used in atomic bombs are uranium or plutonium. Cesium may be a byproduct of nuclear reactions in atomic bombs, but it is not a key component.
What does an atomic bomb use for its exploding power?
That depends, an atomic weapon from WWII was armed with plutonium 239, bombs now use a more dangerous Uranium armament. In order to use the bomb, a smaller explosion much trigger a chain reaction explosion in order to create, for lack of better terms, a "big bang".
What are nuclear atom bombs?
Atomic bombs, as they were called in the 40s, are nuclear weapons which use the properties of radioactive material to create an extremely powerful explosion. The explosion involves a huge release of energy and very damaging radiation. Look up "atom bombs" and you are likely to find a range of explanations.
What 2 types of energy does nuclear bombs use?
Nuclear bombs primarily use two types of energy: fission and fusion. Fission refers to the splitting of atomic nuclei to release energy, while fusion involves combining atomic nuclei to release energy, both of which are harnessed in the explosive reactions of nuclear bombs.
Did more people die from the explosion or the after affects of the atomic bombs in Hiroshima and Nagasaki?
Most were killed from the explosion, some survived but may have short term or long term radiation illness which can be terminal.
In what cities were the two atomic bombs dropped on japan?
Japan did not drop any atomic bombs. Rather, the US dropped two atomic bombs on them. The cities that were hit were Hiroshima and Nagasaki.
What happens when two bombs collide?
This question makes no sense as an atomic bomb is a nuclear bomb and vice versa. They are the same thing.
What was Truman's big decision in World War 2?
To drop atomic bombs on Japan
What bombs were made because of atomic bombs?
More & higher yield atomic bombs, I guess.
