Two pieces of tape are stuck together, and then ripped apart, forming an electric dipole with one piece of tape at +0.20nC, the other at -0.20nC, held 3.0cm apart from each other. What is the electric field at a point positioned 10.0cm from the positive charge and 13.0cm from the negative? If a capacitor has an electric field with a magnitude of 1 microNewton/Coulomb exactly halfway between its positive and negative plates, which are each one square meter, then how much charge is on its positive plate? please provide correct significant figures in answer.

College Physics
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ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
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Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Two pieces of tape are stuck together, and then ripped apart, forming an electric dipole with one piece of tape at +0.20nC, the other at -0.20nC, held 3.0cm apart from each other. What is the electric field at a point positioned 10.0cm from the positive charge and 13.0cm from the negative?

If a capacitor has an electric field with a magnitude of 1 microNewton/Coulomb exactly halfway between its positive and negative plates, which are each one square meter, then how much charge is on its positive plate? please provide correct significant figures in answer. 

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