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What magnitude point charge creates a 5,156 N/C electric field at a distance of 0.86 m?...

What magnitude point charge creates a 5,156 N/C electric field at a distance of 0.86 m? Give answer in terms of 10-8.

Common static electricity involves charges ranging from nanocoulombs to microcoulombs. How many electrons must be removed from a neutral object to leave a net charge difference of 0.83 μC? Give your answer in terms of 1012 electrons.

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