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Author Question: An electron is held up against the force of gravity by the attraction of a fixed proton some ... (Read 80 times)

chandani

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An electron is held up against the force of gravity by the attraction of a fixed proton some distance above it. How far above the electron is the proton?
 
  A) 1.5 m
  B) 2.3 m
  C) 3.7 m
  D) 4.6 m
  E) 5.1 m

Question 2

A proton is placed in an electric field of intensity 700 N/C. What is the magnitude and direction of the acceleration of this proton due to this field?
 
  A) 6.71  109 m/s2 opposite to the electric field
  B) 6.71  1010 m/s2 opposite to the electric field
  C) 6.71  1010 m/s2 in the direction of the electric field
  D) 67.1  1010 m/s2 opposite to the electric field
  E) 67.1  1010 m/s2 in the direction of the electric field



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Bigfoot1984

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Answer to Question 1

E

Answer to Question 2

C





 

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