Two small beads having positive charges 3q and q are fixed at the opposite ends of a horizontal, insulating rod, extending from the origin to the point x = d. As shown in Figure P23.10, a third small charged bead is free to slide on the rod. At what position is the third bead in equilibrium? Can it be in stable equilibrium?

= Two small beads having positive charges 9₁ 92 = q are fixed at the opposite ends of a horizontal insulating rod of length d = 4.20 m. The bead with charge q₁ is at the origin. As shown in the figure below, a third small charged bead is free to slide on the rod. At what position x is the third bead in equilibrium? 91 + 92 + X = m 7q and

Three spiders are resting on the vertices of a triangular web. The sides of the triangular web have a length of a = 0.49 m, as depicted in the figure. Two of the spiders (S₁ and S3) have +8.1 µC charge, while the other (S₂) has -8.1 µC charge. a/2 O a/2 (a) What are the magnitude and direction of the net force on the third spider (S3)? magnitude N direction counterclockwise from the +x-axis (b) Suppose the third spider (S3) moves to the origin. Would the net force on the third spider (S3) be greater than, less than, or equal to the magnitude found in part (a)? O greater than in part (a) O less than in part (a) O equal to the part (a) (c) What are the magnitude and direction of the net force on the third spider (S3) when it is resting at the origin? magnitude N direction counterclockwise from the +x-axis

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