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Author Question: The electric field between oppositely-charged parallel plates is A) uniform. B) stronger at the ... (Read 43 times)

moongchi

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on: Jul 29, 2018
The electric field between oppositely-charged parallel plates is
 
  A) uniform.
  B) stronger at the ends.
  C) composed of field lines curved in opposite directions.
  D) none of the above

Question 2

Four traveling waves are described by the following equations, where all quantities are measured in SI units and y represents the displacement.
 
  I: y = 0.12 cos(3x + 2t)
   II: y = 0.15 sin(6x - 3t)
   III: y = 0.23 cos(3x + 6t)
   IV: y = -0.29 sin(1.5x - t)
  Which of these waves have the same speed?
  A) I and III
  B) I and IV
  C) II and III
  D) I and II
  E) III and IV


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Bsand8

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

Answer: A

Answer to Question 2

B


moongchi

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

nguyenhoanhat

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Reply 3 on: Yesterday
Excellent

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