本题目来源于试卷: Physics Unit13: Temperature and Kinetic Theory，类别为 通用国际物理
[单选题]
The molecular mass of oxygen molecules is 32, and the m2w.qi;c6cb u folecul/bn ixe/2,vl ftm+ -iablgb05 o,3qpxar mass of nitrogen molecules is 28. If these two gases are at the same temperature, the ratio of nitrogen's rms spee agv of 3 qxmb/n2eib0x5lb+ti/l-,p,d to that of oxygen is .
A. $\sqrt{8}:\sqrt{7}$
B. 8:7
C. $\sqrt{7}:\sqrt{8}$
D. 7:8
参考答案: A
本题详细解析:
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