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Eleven Molecules Have Speeds 16,17,18

Question 54

Multiple Choice

Eleven molecules have speeds 16,17,18,...,26 m/s.Calculate the root-mean-square of this group of molecules.

A) 21.2 m/s
B) 21.0 m/s
C) 21.5 m/s
D) 21.7 m/s

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