why are atomic bombs used on japan?
27837
President Harry S. Truman, warned by some of his advisers that any attempt to invade Japan would result in horrific American casualties, ordered that the new weapon be used to bring the war to a speedy end. On August 6, 1945, the American bomber Enola Gay dropped a five-ton bomb over the Japanese city of Hiroshima.
1034354
The simplest method for delivering a nuclear weapon is a gravity bomb dropped from aircraft; this was the method used by the United States against Japan.
383285
Nuclear weapons have been used twice in war, both times by the United States against Japan near the end of World War II. ... Since the atomic bombings of Hiroshima and Nagasaki, nuclear weapons have been detonated over two thousand times for testing and demonstration.
900270
There actually are simple... The nuclear bombs dropped on Hiroshima and Nagasaki were both designed to detonate several hundred metres above the ground. ... This is simply because a bomb that uses an impact fuze will transfer a lot of it's blast energy into the ground when it hits- which is wasted energy.
724571
In the end, he made the decision to drop the atomic bombs on strategic cities. His stated intention in ordering the bombings was to save American lives, to bring about a quick resolution of the war by inflicting destruction, and instilling fear of further destruction, sufficient to cause Japan to surrender.
387766
Hiroshima. On August 6, 1945, the United States dropped an atomic bomb on the city of Hiroshima. The bomb was known as "Little Boy", a uranium gun-type bomb that exploded with about thirteen kilotons of force. At the time of the bombing, Hiroshima was home to 280,000-290,000 civilians as well as 43,000 soldiers.
167522
The main reason given for America's decision to take atomic action is that it was a way to conclude the war without suffering further losses (on the American side at least). There are also those who see the attacks as retribution for Pearl Harbour and the many American lives lost in bloody warfare with Japan.
1236121
—There are important differences between Hiroshima and Nagasaki in respect to their experience with the atomic bombs. 3.4. ... —Different kinds of bombs were used on the two cities, that dropped over Hiroshima being a uranium-235 bomb, whereas the one used against Nagasaki was composed of plutonium-239.
726242
The U.S decided to drop the two bombs on Japan because Japan refused to surrender, causing the Pacific War to drag on. The U.S offered a unconditional surrender known as the 'Potsdam Declaration' and said if they didn't agree to it, they would face the Alternative of "Prompt and utter destruction" and Japan ignored it.
1102469
It is believed that Iwo Jima and Okinawa were of great importance to the victory in the Pacific War. They were said to be the areas in which they could use as landing strips for the atomic bombs that would later destroy the Japanese homeland.
959814
An atomic or nuclear bomb is a fission bomb that relies on the splitting of atoms from either uranium or plutonium creating a runaway reaction. A nuke could be an atomic bomb or hydrogen bomb. ... An atomic bomb's heat can be as much as 10,000 degrees while a hydrogen bomb reaches several million degrees.
755548
The bombings in the two cities were so devastating, they forced Japan to surrender. But a hydrogen bomb has the potential to be 1,000 times more powerful than an atomic bomb, according to several nuclear experts.
577483
The Atomic bombings of Hiroshima and Nagasaki were nuclear attacks on the Empire of Japan during World War II (WWII). The United States and the Allies were fighting against Japan and slowly winning. Two nuclear weapons were dropped on Japan, one on the city of Hiroshima and the other on the city of Nagasaki.
1220582
Japan has long had the means to go nuclear, thanks to its sophisticated nuclear power industry. ... At each juncture, however, Japanese security strategists concluded that it made more sense to rely on the extended deterrence provided by the United States.
1174994
The nuclear bomb on Nagasaki was dropped as Soviet forces were overwhelming Japanese positions in Manchuria and Japan appeared set to surrender to the Allied powers. ... If there was any rationale, it was technical or strategic in nature — to demonstrate the power of the world's first plutonium bomb.
821510
Almost all of the longer range ballistic missiles, and several types of land-attack cruise missiles, carry nuclear warheads. Most of these warheads have an explosive force that is tens to hundreds of times more powerful than the atomic bomb dropped on Hiroshima during World War II.
420731
Science Behind the Atom Bomb. The immense destructive power of atomic weapons derives from a sudden release of energy produced by splitting the nuclei of the fissile elements making up the bombs' core. The U.S. developed two types of atomic bombs during the Second World War.