Two point charges have a total electric potential energy of −24J and are separated by 25cm.   a) If the total charge of the two charges is 75μC, then what is the charge, in microcoulombs, on the positive one?  b) What is the charge, in microcoulombs, on the negative one?

University Physics Volume 2
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Chapter7: Electric Potential
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Problem 100AP: A point charge of q=50108 C is placed at the center of an uncharged spherical conducting shell of...
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Two point charges have a total electric potential energy of −24J and are separated by 25cm.  

a) If the total charge of the two charges is 75μC, then what is the charge, in microcoulombs, on the positive one? 

b) What is the charge, in microcoulombs, on the negative one?

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