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Author Question: A proton moves through a small box that is isolated from all external influences and that has no ... (Read 39 times)

hbsimmons88

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A proton moves through a small box that is isolated from all external influences and that has no matter inside it other than the single proton.
 
  Which of the following would we expect to find at some other point X away from the proton inside the box?
  A) a magnetic field
  B) an electric field
  C) Both of the above.
  D) an electric force
  E) no fields or forces of any kind

Question 2

A car is rounding the top, or crest, of a hill while moving at a steady 50 km/hr. What can you say about this car's acceleration, and why?
 
  A) The car is not accelerated, because neither its direction of motion nor its speed are changing.
  B) The car is accelerated, because its speed is changing.
  C) The car is not accelerated, because its speed is not changing.
  D) The car is not accelerated, because its direction of motion is not changing.
  E) The car is accelerated, because its direction of motion is changing.



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kjohnson

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Answer to Question 1

C

Answer to Question 2

E




hbsimmons88

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Reply 2 on: Jul 29, 2018
:D TYSM


emsimon14

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Reply 3 on: Yesterday
Great answer, keep it coming :)

 

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