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a) A -1.0 nC point charge is located at (2.0 m, 0), and a -18 nC...

a)

A -1.0 nC point charge is located at (2.0 m, 0), and a -18 nC point charge is located at (0, 6 m). What is the magnitude of the net electric field at the origin? Express your answer with the appropriate units.

b)

What is the direction of the net electric field at the origin? Find the angle measured from the positive xx axis to the net electric field.

Express your answer in degrees.

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