Four gas molecules in a high-temperature plasma have speeds of 1.50w1.50w1.50w, 2.50w2.50w2.50w, 4.50w4.50w4.50w, and 5.50w5.50w5.50w, where www is a reference speed parameter.
What is the root-mean-square speed (crmsc_{\text{rms}}crms) of these molecules?
3.50w
3.84w
4.11w
14.8w
