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Author Question: What is the root-mean-square value of the following velocity components: 2.0 m/s, -3.0 m/s, and 4.0 ... (Read 245 times)

skymedlock

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on: Jul 29, 2018
What is the root-mean-square value of the following velocity components: 2.0 m/s, -3.0 m/s, and 4.0 m/s?
 
  A) 5.4 m/s
  B) 1.9 m/s
  C) 3.1 m/s
  D) 3.3 m/s
  E) 1.0 m/s

Question 2

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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iman

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Reply #1 on: Jul 29, 2018
Answer to Question 1

C

Answer to Question 2

A


skymedlock

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Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

bimper21

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Reply 3 on: Yesterday
Excellent

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