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United StatesPhysics C: Electricity and MagnetismQuick questions

Unit 9: Electric Potential

Quick questions on Electric potential energy - AP Physics C E&M Unit 9

2short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.

What is q1?
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Two charges +4.0μC+4.0\,\mu\text{C} and +4.0μC+4.0\,\mu\text{C} are 0.200.20 m apart. Find their potential energy (k=8.99×109k = 8.99\times10^9). [2 points]
What is q2?
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State what a negative potential energy of a two-charge system tells you. [1 point]

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