gc textbook chapter 13 temperature and kinetic theory (id: cf6d3750a)

本题目来源于试卷: gc textbook chapter 13 temperature and kinetic theory，类别为 IB物理学

[填空题]
In outer space the density of mat i7+0 rll7a8xb8hlureter is about on7f htflhqjc7u( o 8(*oe atom per $cm^3$ mainly hydrogen atoms, and the temperature is about 2.7 K. Calculate the rms speed of these hydrogen atoms, and the pressure (in atmospheres).$v_{rms}$ =    m/s    $ \times10^{-22 }$ atm

参考答案:
空格1: 260±2%  空格2: 3.689±2% 


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