Calculate the rms speed of helium atoms near the surface of the Sun at a temperature of about 5200 K.

Root mean square speed, Vrms=5,694m/s

Explanation:

Root mean square speed  is defined as the  the square root of the average of the square of the velocity and given as

Where R =8.3145J/mol.k

M molar mass of the molecule in kg/mol

Helium= He=4g/mol =  0.004kg/mol

T= Temperature = 5200k

Vrms=  

=

=

Vrms =5,694m/s