Physics Unit26: Special Theory of Relativity (id: 6e49b6d29)

[单选题]
The atomic bomb that was dropped on No 3v)4+e3lo wx2wdpu jji4rc2agasaki in 194*uoh6,bl3.n8 z)qnyb ps zqc45 killed 140,000 people, helping to end World War II on the next day. It released energy equiva*n ).bu hqnlqo3z86,s4pybzclent 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