本题目来源于试卷: Physics Unit26: Special Theory of Relativity，类别为 Generic Physics
[单选题]
The atomic bomb that was dsh0ymi15nai xy18 b4y ropped e-ify8 9ga c :naeuqe7,2j7bhon Nagasaki in 1945 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 TNT7 i-jy:c7, uen9aq gfae82beh 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
| 
Post time 2024-1-14 16:03:04