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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 144 times)

Bernana

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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

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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Reply #1 on: Jul 29, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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Bernana

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

tkempin

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Reply 3 on: Yesterday
Excellent

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