Following charges are positioned on a x-y plane, 5 nC at y = -5 cm, -10 nC at y = 5 cm, and 15 nC at x = 5 cm. nd the required x-y coordinates of a 20-nC fourth charge that will produce a zero electric field at the origin. Eight identical point charges of Q C each are located at the corners of a cube of side length a, with one charge point P(b, b, b), and with the three nearest charges at (b, 0, 0), (0, b, 0), and (0, 0, b). Find an expression for the tal vector force on the charge at the origin, assuming free space.

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Author:Raymond A. Serway, Chris Vuille
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Chapter1: Units, Trigonometry. And Vectors
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Following charges are positioned on a x-y plane, 5 nC at y = -5 cm, -10 nC at y = 5 cm, and 15 nC at x = 5 cm.
nd the required x-y coordinates of a 20-nC fourth charge that will produce a zero electric field at the origin.
Eight identical point charges of Q C each are located at the corners of a cube of side length a, with one charge
point P(b, b, b), and with the three nearest charges at (b, 0, 0), (0, b, 0), and (0, 0, b). Find an expression for the
tal vector force on the charge at the origin, assuming free space.
Transcribed Image Text:Following charges are positioned on a x-y plane, 5 nC at y = -5 cm, -10 nC at y = 5 cm, and 15 nC at x = 5 cm. nd the required x-y coordinates of a 20-nC fourth charge that will produce a zero electric field at the origin. Eight identical point charges of Q C each are located at the corners of a cube of side length a, with one charge point P(b, b, b), and with the three nearest charges at (b, 0, 0), (0, b, 0), and (0, 0, b). Find an expression for the tal vector force on the charge at the origin, assuming free space.
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