Find the mean free path and the mean time interval between successive collisions of gaseous nitr...

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Find the mean free path and the mean time interval between successive collisions of gaseous nitrogen molecules
at temperature \( t=0^{\circ} \mathrm{C} \) and pressure \( p=1.0 \mathrm{nPa} \) (such a pressure can be reached by means of contemporary vacuum pumps).
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