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How large were the nuclear bombs dropped on Japan?
On August 6, 1945, the American bomber Enola Gay dropped a five-ton bomb over the Japanese city of Hiroshima. A blast equivalent to the power of 15,000 tons of TNT reduced four square miles of the city to ruins and immediately killed 80,000 people.
How much nuclear was used in Hiroshima?
About 64 kilograms of highly-enriched uranium was used in the bomb which had a 16 kiloton yield (i.e. it was equivalent to 16,000 tonnes of TNT). It was released over Hiroshima, Japan’s seventh largest city, on 6 August 1945. Some 90% of the city was destroyed.
How many miles did Hiroshima bomb destroy?
five square miles
Aerial view of Hiroshima, Japan The bomb, code-named “Little Boy,” detonated with an estimated 15,000 tons of TNT, destroying five square miles of the city and directly killing some 70,000 people.
How high was Little Boy dropped from?
31,000 feet
This gun-type uranium bomb, nicknamed Little Boy, weighed 9,700 pounds. The bomb was dropped on Hiroshima, Japan, August 6, 1945, at 8:15 AM. A B-29 dropped the bomb from 31,000 feet. The bomb exploded about 1,500 feet above the city with a force of 15,000 tons of TNT.
How big of a blast was Hiroshima?
It exploded with an energy of approximately 15 kilotons of TNT (63 TJ) and caused widespread death and destruction throughout the city. The Hiroshima bombing was the second man-made nuclear explosion in history, after the Trinity nuclear test.
When were the first two atomic bombs ever used in Japan?
The first two atomic bombs ever used were dropped on Japan in early August, 1945. For a detailed timeline of the bombings, please see Hiroshima and Nagasaki Bombing Timeline.
How many kilotons did the Hiroshima bomb explode?
For a detailed timeline of the bombings, please see Hiroshima and Nagasaki Bombing Timeline. 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.
How big was the bomb that was dropped on Nagasaki?
Thick clouds over the primary target, the city of Kokura, drove Sweeney to a secondary target, Nagasaki, where the plutonium bomb “Fat Man” was dropped at 11:02 that morning. More powerful than the one used at Hiroshima, the bomb weighed nearly 10,000 pounds and was built to produce a 22-kiloton blast.
What was the name of the nuclear bomb that was used?
“Fat Man” was the codename for the nuclear bomb that was detonated over the Japanese city of Nagasaki by the United States on 9 August 1945.