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Three small spheres x,y, and z carry cha...

Three small spheres x,y, and z carry charges of equal magnitudes and with signs shown in fig. They are palced at the vertices of an isosceles triangle with the distance betwwen x and y equal to the distance between x and z. sphere y and z are held in place, but sphere x is free to move on a frictionless surface.

(a) waht is the direction of hte electric force on sphere x at the point shown in the figure?
(b) Which path is sphere x likely to take when released?

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