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 on Nj zqm54il k1sz/pu/d24gz dy1 agasaki in 1945 killed 140,000 people, hel o 8.5dc-t6p; ncqvf-1n *mvqxuxqv a9ping to end World War II on the next day. It released energy equivadfn cx5 qpvax t.m618ov-9quqvn c*- ;lent 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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