Molecular Speeds: Eleven Molecules Have Speeds 16, 17, 18

question 4

Multiple Choice

Molecular speeds: 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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