Five Molecules Have Speeds of 2

question 87

Multiple Choice

Five molecules have speeds of 2.8, 3.2, 5.8, 7.3, and 7.4 m/s. Their root-mean-square speed is closest to:

• A) 5.3 m/s
• B) 5.7 m/s
• C) 7.3 m/s
• D) 28 m/s
• E) 32 m/s

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