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Author Question: Two +6.0-C charges are placed at two of the vertices of an equilateral triangle having sides 2.0 m ... (Read 210 times)

strangeaffliction

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on: Jul 29, 2018
Two +6.0-C charges are placed at two of the vertices of an equilateral triangle having sides 2.0 m long. What is the electric potential at the third vertex, relative to infinity, due to these charges? (k = 1/40 = 9.0  109 N  m2/C2 )
 
  A) 108 V B) 54 kV C) 90 kV D) 0 V E) 27 kV

Question 2

A 2.0-F capacitor is charged to 12 V and then discharged through a 4.0-M resistor. How long will it take for the voltage across the capacitor to drop to 3.0 V?
 
  A) 22 s B) 11 s C) 24 s D) 8.0 s


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Joc

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

B

Answer to Question 2

B


strangeaffliction

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Reply 2 on: Jul 29, 2018
Gracias!

jomama

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Reply 3 on: Yesterday
Excellent

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