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The first Atom Bomb dropped on Hiroshima was called "Little Boy". It weighted about 9,700 pounds and used about 141 pounds of Uranium-235 to generate an explosive blast roughly equal to about 15,000 tons (or 30 million pounds) of conventional TNT explosive.

The second Atom Bomb dropped was on Nagasaki. It was called "Fat Man". It weighed about 10,300 pounds and used about 14 pounds of Plutonium-239 & 240 to generate an explosive blast roughly equal to about 21,000 tons (or 42 million pounds) of conventional TNT explosive.

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Q: How heavy was the atomic bomb dropped on japan?
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Continue Learning about General History

Who did the US bomb with the atomic bomb?

The first atomic bomb was dropped on Hiroshima, Japan ; another on Nagasaki, Japan, 3 days later.


Where was the the first atomic bomb dropped?

hiroshima, Japan


What new type of bomb us dropped on japan?

little boy and fat man they dropped the newly created atomic bomb on japan


What part of japan did America attack with a nuclear bomb?

The atomic bomb was dropped on Hiroshima and Nagasaki RB


What was the last bomb that was dropped on japan?

The second - of two - atomic bombs dropped on Japan was dropped on August 9th, 1945 on Nagasaki.

Related questions

Where was the atomic bomb dropped Where was the atomic bomb dropped?

It was dropped by the United States by orders of President Truman over Hiroshima, Japan.


Was atomic bomb dropped?

Yes but in Japan.


Sight where second atomic bomb dropped on japan?

the second bomb was dropped on Nagasaki


Why atomic bomb dropped on japan by us?

To prevent a ground invasion of Japanese homeland with heavy casualties anticipated.


When did the US Use atomic bomb on japan?

The US dropped the atomic bomb onto Japan on August 1945.


Who did the US bomb with the atomic bomb?

The first atomic bomb was dropped on Hiroshima, Japan ; another on Nagasaki, Japan, 3 days later.


Did anyone even negotiate with japan about the atomic bomb?

Japan was negotiatin with the Soviet Union as the first atomic bomb was dropped.


What kind of bombs were dropped in japan?

The atomic bomb.


The first atomic bomb dropped on?

Hiroshima, Japan.


Where was the the first atomic bomb dropped?

hiroshima, Japan


When did US drops atomic bomb on hiroshmia japan?

On the 6th August 1945 the first atomic bomb was dropped on the Japanese city of Hiroshima. Three days later, a second bomb was dropped on Nagasaki.


Where the atomic bomb dropped in World War 2?

It was dropped on Hiroshima, Japan.