本题目来源于试卷: Physics Unit26: Special Theory of Relativity，类别为 通用国际物理
[单选题]
The atomic bomb that was dropped j vj4knarmxz,w0+a; 2 osijv.jpl 4:tv5h 6 rcq h,.9zln Nagasaki in 1945 killed 140,000 people, helping to end World War II on the next day. It release.rz9svj, :lih pq jt4vlc h5.6d 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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