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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 159 times)

Bernana

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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

A swimmer heading directly across a river 200 m wide reaches the opposite bank in 6 min 40 s. She is swept downstream 480 m. What is the speed of the current?
 
  A)
 
  0.50 m/s
 
  B)
 
  0.80 m/s
 
  C)
 
  1.2 m/s
 
  D)
 
  1.4 m/s
 
  E)
 
  1.8 m/s


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Loise Hard

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Bernana

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Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review


mochi09

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Reply 3 on: Yesterday
:D TYSM

 

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