Question

8 A Nitrogen molecule on the surface of the earth happens to have the root mean square speed at exactly 0 degree. Assuming this molecule went up without colliding with other molecules, how high would it go? The molecular mass of nitrogen is 4.65×10−26kg
a. 4.6 km
b. 12.4 km
c. 20.3 km
d. 7.2 km