Question: i need help with this problems The average weight of a common person is around 65 kg. If two common persons have a 1C charge

i need help with this problems

  1. The average weight of a common person is around 65 kg. If two common persons have a 1C charge each, one positive and the other negative, which should be the distance between them such that the force of electric attraction between them is equal to their weight, 700N?
  2. Three point charges, q1=+7x10-6C, q2=-7x10-6C and q3=+3x10-6C, are placed on the corners of an equilateral triangle with sides of length 80 mm. Find the magnitude and direction of the net force over charge q1=+7x10-6C.
  3. Three point charges arranged as in the image below have charges ofQ1= +3 nC,Q2= +5 nC andQ3= -2?C. Find the net force onQ1.
    i need help with this problems The average weight
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