Two small beads having positive charges 9, = 4g and q, -q are fixed at the opposite ends of a horizontal insulating rod of length d= 1.50 m. The bead with charge q, is at the origin. As shown in the figure below, a third small, charged bead is free to slide on the rod. 92 (a) At what position x is the third bead in equilibrium? m (b) Can the equilibrium be stable? O Yes, if the third bead has a positive charge. O Yes, if the third bead has a negative charge. O No

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter19: Electric Forces And Electric Fields
Section: Chapter Questions
Problem 7P: Two small beads having positive charges q1 = 3q and q2 = q are fixed at the opposite ends of a...
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Two small beads having positive charges q, = 4q and q, = q are fixed at the opposite ends of a horizontal insulating rod of length d = 1.50 m. The bead with charge q, is at the origin. As shown in
%3D
the figure below, a third small, charged bead is free to slide on the rod.
91
92
(a) At what position x is the third bead in equilibrium?
X =
(b) Can the equilibrium be stable?
Yes, if the third bead has a positive charge.
Yes, if the third bead has a negative charge.
No
Transcribed Image Text:Two small beads having positive charges q, = 4q and q, = q are fixed at the opposite ends of a horizontal insulating rod of length d = 1.50 m. The bead with charge q, is at the origin. As shown in %3D the figure below, a third small, charged bead is free to slide on the rod. 91 92 (a) At what position x is the third bead in equilibrium? X = (b) Can the equilibrium be stable? Yes, if the third bead has a positive charge. Yes, if the third bead has a negative charge. No
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