本题目来源于试卷: Momentum and Energy,类别为 美国物理杯赛(Physics Bowl)
[单选题]
08.45: Electron #1 moves with speed w a.q tl9f0 6kvpkilc9g4w:+p jx(p+rd8iylr5t 89 jig; 4hmggvz;ig)5 h/pc0.30 c where c is the speed of light. Electron #2 moves witgm irg8i54ti 8zjd)g;jr9(yhpcgh p;/lv+ 5 x h speed 0.60 c. What is the ratio of the kinetic energy of electron #2 to electron #1?
A. 1.19
B. 1.32
C. 2.00
D. 4.00
E. 5.18
参考答案: E
本题详细解析:
暂无
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