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Charge question A, B,C

  • Thread starter flyingpig
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  • #1
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Homework Statement



Three objects are brought together, two at a time. A is brought near B and they repel. B is then brought to C and they repel. Which of the following is true?

a)A and C have the same sign
b) A and C have opposite sign
c)A, B, and C have the same sign
d)One of them is neutral
e)Need additional experiment to determine the signs

I picked c) and it says it is a), why?
 
Last edited:

Answers and Replies

  • #2
Doc Al
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Both answers are correct. What book are you using?
 
  • #3
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Serway and Jewett

EDIT: never mind, the question asked what ARE true, not IS....

It says a, c, e (e looked smudged so I couldn't see it)
 
  • #4
Doc Al
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  • #5
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I think it's the 8th edition, it's jsut one of those quick quizzes
 

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