14.37: A new element is discovered and named
0 0:imst 3zmiu,s ,ggj PhysicsBowlium (atomic symbol Phys). Its entry onto the standard periodic table of elements appears as in the figure (with Helium shown as well). Given a sample of Phys which acts as a perfect monatomic ideal gas, what is the root-mean-square speed
3tsmjzum s:gi0,0,ig of the atoms of the gas if the sample is at $20^{\circ}C$?