Figure 21-29(a) shows an arrangement of three charged particles. Particles A and

Question

Figure 21-29(a) shows an arrangement of three charged particles. Particles A and C are fixed on the x axis, but particle B can be moved along a circle centered on particle A. During the movement, a radial line between A and B makes an angle ? relative to the positive direction of the x axis (figure 21-29(b)). The curves in figure (c) below give, for two situations, the magnitude Fnet of the net electrostatic force on particle A due to the other particles. That net force is given as a function of angle ? and as a multiple of a basic amount F0. For example on curve 1, at ? = 180o, we see that Fnet = 2F0. (a) For the situation corresponding to curve 1, what is the ratio of the charge of particle C to that of particle B (including sign)? (b) For the situation corresponding to curve 2, what is that ratio?

Distance between A & B = 9.8m
Distance between B & C = 8.6m

The diagrams are available in the Fundamentals Of Physics 9th Edition Textbook By. Wiley.

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