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Author Question: Two charges Q1 = -3 C and Q2 = +3 C are located on the y-axis at y1 = -5 cm and y2 = +5 cm ... (Read 90 times)

renzo156

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on: Jul 29, 2018
Two charges Q1 = -3 C and Q2 = +3 C are located on the y-axis at y1 = -5 cm and y2 = +5 cm respectively. A third charge Q3 = +24 C is added on the y-axis so that the electric field at the origin is equal to zero.
 
  What is the position of Q3? A)
 
  y3 = -12 cm
  B)
 
  y3 = 0 cm
  C)
 
  y3 = +5 cm
  D)
 
  y3 = +10 cm
  E)
 
  y3 = -10 cm

Question 2

Suppose one twin takes a ride in a space ship traveling at a very high speed to a distant star and back again, while the other twin remains on Earth. The twin that remained on Earth predicts that the astronaut twin is
 
  A)
 
  younger.
  B)
 
  the same age.
  C)
 
  older.
  D)
 
  cannot be determined from the given information


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k2629

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

E

Answer to Question 2

A


renzo156

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Reply #2 on: Jul 29, 2018
TY


k2629

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Reply #3 on: Jul 29, 2018
You're welcome


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