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Two small metal spheres are 26.0 cm apart. The spheres have equal amounts of negative charge...

Two small metal spheres are 26.0 cm apart. The spheres have equal amounts of negative charge and repel each other with a force of 0.036 N. What is the charge on each sphere?

A +2.5 nC point charge is 3.3 cm away from a -3.1 nC point charge.

What are the magnitude and direction of the acceleration of an electron at a point where the electric field has magnitude 6600 N/C and is directed due north?

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