The Speeds of 25 Molecules Are Distributed as Follows: 5

question 103

Multiple Choice

The speeds of 25 molecules are distributed as follows: 5 in the range from 2 to 3 m/s, 10 in the range from 3 to 4 m/s, 5 in the range from 4 to 5 m/s, 3 in the range from 5 to 6 m/s, 1 in the range from 6 to 7 m/s, and 1 in the range from 7 to 8 m/s.Their average speed is about:

• A)2 m/s
• B)3 m/s
• C)4 m/s
• D)5 m/s
• E)6 m/s

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