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ttteel ttteel
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6 years ago
A charge of +80 mC is placed on the x axis at x = 0 . A second charge of -50 mC is placed on the x axis at x = 50 cm. What is the magnitude of the electrostatic force on a third charge of 4.0 mC placed on the x axis at x = 30 cm?
 a. 13 N
  b. 77 N
  c. 39 N
  d. 25 N
  e. 45 N
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