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4. How many excess electrons does a balloon that was rubbed on a child's hair and now has a charge of 4.0 x 107 Coulombs?
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4. How many excess electrons does a balloon that was rubbed on a child's hair and

now has a charge of 4.0 x 107 Coulombs?

User Curiousguy
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1 Answer

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The number of excess electrons in a balloon with a charge of 4.0 x 107 Coulombs is 4.0 x 10^7 electrons.

Hope this helps!
User Victor Dodon
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