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;zwa4 ;z+6ldylln+ mk gcxzn 8bq gv8b5kc)-6 was dropped on Nagasaki in 1945 killed 140,000 people, helping to end World 8kx g 8b-nq)g5vcc z6bWar II on the next day. It released energy equivalent to that of 20,000 tons of TNT explosive. How much mass was converted 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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