What is the magnitude of the resulting force on the 7 nC charge at the origin?...

  

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What is the magnitude of the resulting force on the 7 nC charge at the origin? Answer in units of nN. y (m) 10 9 432 8 7 6 5 4 3-3 nC 1 0 0 -7 nC + + + + O 1 2 3 4 5 6 7 8 9 10 4 nC + X (m) What is the magnitude of the resulting force on the 7 nC charge at the origin? Answer in units of nN. y (m) 10 9 432 8 7 6 5 4 3-3 nC 1 0 0 -7 nC + + + + O 1 2 3 4 5 6 7 8 9 10 4 nC + X (m)