Posted by **Don** on Tuesday, January 29, 2013 at 4:07am.

Two tiny conducting spheres are identical and carry charges of -19.8 µC and +54.5 µC. They are separated by a distance of 2.45 cm.

(a) What is the magnitude of the force that each sphere experiences, and is the force attractive or repulsive?

1 N 2 ---Select--- attractive repulsive

(b) The spheres are brought into contact and then separated to a distance of 2.45 cm. Determine the magnitude of the force that each sphere now experiences, and state whether the force is attractive or repulsive.

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