Consider a system consisting of two oppositely charged spheres hanging by strings and separated by a distance r1, as shown in the accompanying illustration. Suppose they are separated to a larger distance r2, by moving them apart along a track.
What can you say about q and w for this process?
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What scientific concept do you need to know in order to solve this problem?
Our tutors have indicated that to solve this problem you will need to apply the Coulomb's Law concept. You can view video lessons to learn Coulomb's Law. Or if you need more Coulomb's Law practice, you can also practice Coulomb's Law practice problems.