Relationship between different types of speeds: cmp :cav :crms ::1:1.128:1.224cav = 0.9213crms crms = 1.086cav cmp = 0.816crms

explain how?

(Cm.p) Most Probable speed :

 C( rms)Root mean speed  :

 

C(av) Average speed  :

Note : K,T and m will cancel out in ration. 

Ratio of  Cav /Crms = (8/3π)1/2 = (2.6/3.14)1/2 = 0.921 

Ratio of  Crms /Cav = 1/0.921 = 1.08

Ratio of Cmp /Crms = (2/3)1/2= 0.816

 

Similarly Cmp : Cav : Crms = (2)1/2 : (8/π)1/2 : (3)1/2 = 0.82 : 0.92 : 1

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