Two small spheres that have positive charges q1 = 3q and q2 = q are attached to opposite ends of a horizontal insulating bar of length d = 1.50 m. The sphere with charge q1 is at the origin. As shown in the figure, a third small, charged sphere is free to slide on the rod. (a) In what position x is the third sphere in equilibrium? (b) Can equilibrium be stable?
Two small spheres that have positive charges q1 = 3q and q2 = q are attached to opposite ends of a horizontal insulating bar of length d = 1.50 m. The sphere with charge q1 is at the origin. As shown in the figure, a third small, charged sphere is free to slide on the rod. (a) In what position x is the third sphere in equilibrium? (b) Can equilibrium be stable? Two small spheres that have positive charges q1 = 3q and q2 = q are fixed at opposite ends of a horizontal insulating bar of length d = 1.50 m. The sphere with charge q1 is at the origin. As shown in the figure, a third small, charged sphere is free to slide on the rod. (a) In what position x is the third sphere in equilibrium? (b) Can the equilibrium be stable?
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