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Question: A sphere of radius 4.51cm and uniform surface charge density +12.1 µC/m2 exerts an electrostatic force of magnitude 4.50×102 N on a point charge +1.55 µC.
Part A: Find the separation between the point charge and the center of the sphere.
r= ______ m ?
I need help to find the separation between the point charge and the center of the sphere.
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