21.5 at x = 2a Which one of these systems has the most negative charge? 2 electr

Question

21.5

at x = 2a Which one of these systems has the most negative charge? 2 electrons 3 electrons and 1 proton 5 electrons and 5 protons N electrons and N - 3 protons 1 electron Two point charges are fixed on the x-axis: q1 = 6.0 mu C is located at the origin, O, with x1 = 0.0 cm, and q2 = -3.0 mu C is located at point A, with x2 = 8.0 cm. Where should a third charge, q3, be placed on the x-axis so that the total electrostatic force acting on it is zero? 19 cm 27 cm 0.0 cm 8.0 cm -19 cm Which of the following situations produces the largest net force on the charge Q? Charge Q = 1 C is 1 m from a charge of -2 C.

Explanation / Answer

6/x^2 = 3/(x-8)^2

2(x-8)^2 = x^2

x = 27

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