Atomic Bomb
The use of the atomic bombs on Japan was necessary for the revenge of the Americans andplayed an important role in the Allied victory. The impact of the bombs killed hundreds ofthousands of people and the residual effect of radiation is still killing people today. People stillwonder why the bombs were dropped. The history of the world would have been changedforever had the bombs not been dropped on Japan. The atomic bomb took six years to develop and cost about two billion dollars. The mostcomplicated process in its development was trying to produce enough uranium to sustain a chain
rst bomb was dropped on the Japanese city, Hiroshima on August 6, 1945. Thebomb dropped on Hiroshima weighted 4. The shock wave andits reverse effect reached speeds close to those of the speed of sound. The Americans believed Japan would never surrender. The wind generated by thebombs destroyed most of the houses and buildings within a 1. A mile from the explosion center, where the wind velocity was 190 milesper hour and the pressure was 1,180 pounds per square feet, all brick buildings were completelydestroyed. Within the four squaremiles destroyed by the bomb in Hiroshima, 48,000 buildings out of a total of 76,000 werecompletely demolished. A mushroom cloud rose totwenty thousand feet in the air, and sixty percent of the city was destroyed. Black rain containing large amounts of nuclearfallout fell as much as 30 kilometers from the original blast site. By 1946 the two bombs caused deaths of as many as 240,000 people and the death tolls by 1950were at 340,000 in Hiroshima and Nagasaki. These two bombs quicklymade the Japanese surrender and ended the involvement of Americans in World War II. On August 14, 1945,the Japanese surrendered unconditionally and the war in Asia ended. The people who entered the area within a half-mile radius from the explosion center inthe first 100 hours after the explosions were also affected by the residual radiation on the ground.
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