Physics 201- Introduction to Electricity & Magnetism
September 6- Visualizing & Calculating Electric Fields






  Three small spheres A, B, and C have charges of equal magnitude and with signs as shown in the figure.  They are placed at the vertices of an isosceles triangle with the distance between A and B equal to the distance between A and C.  Spheres B and C are held in place but sphere A is free to move on a frictionless surface.  Which of the fives numbered paths will sphere A take when released?



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Jeff Phillips
Loyola Marymount University
Fall 2002