Question: A charge Q = +3 C is located at (-5 cm, 0) while charge Q = -4 C is located at (0, +5 cm).

A charge Q = +3 C is located at (-5 cm, 0) 

A charge Q = +3 C is located at (-5 cm, 0) while charge Q = -4 C is located at (0, +5 cm). These are the two white charges in the diagram at right. a. What is the electric field at the origin (0, 0) due to these two charges? b. If a third charge of 5 C (the gray charge) is placed at Q 5 cm Q = 3C 5 cm the point (-4 cm, 3 cm), what will now be the electric field at the origin?

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