Question: A 5-C point charge is located at x = 1 m, y = 3 m, and a 4-C point charge is located at x =

A 5-μC point charge is located at x = 1 m, y = 3 m, and a –4-μC point charge is located at x = 2 m, y = –2 m.

(a) Find the magnitude and direction of the electric field at x = –3 m, y = 1 m.

(b) Find the magnitude and direction of the force on a proton at x = –3 m, y = 1 m.

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