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Home Q & A Board Science-Related Homework Help Physics
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mamafay mamafay
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6 years ago
Identical point charges (+50 mC) are placed at the corners of a square with sides of 2.0-m length. How much external energy is required to bring a fifth identical charge from infinity to the geometric center of the square?
 a. 41 J
  b. 16 J
  c. 64 J
  d. 10 J
  e. 80 J
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omar.quesadamedomar.quesadamed
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6 years ago
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mamafay Author
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6 years ago
Smart ... Thanks!
Ctownsend
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Yesterday
Good timing, thanks!
TheMoffattMan
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2 hours ago
Thanks for your help!!
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