本题目来源于试卷: Physics Unit26: Special Theory of Relativity，类别为 国际高中通用物理
[单选题]
The atomic bomb that was dro,h dyl// wjqjtn(/a +1bwhu1tpped on Nagasaki in 1q2xz,ttgq n30 xv9fb j1b*yk) 945 killed 140,000 people, helping to end World War II on the next day. It released energy equivalent to that of 20,000 tons of TNT explosive. How much mass was cogbqjk 10x9fvq ztx*32,t n)bynverted to energy when this took place? (1000 tons of TNT = $4.3 \times 10^{12} \; J$) Incidentally, modern H-bombs have energy yields 1000 times as much!
A. $1 \; g$
B. $10 \; g$
C. $100 \; g$
D. $1 \; kg$
参考答案: A
本题详细解析:
暂无
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