problem21_10

University Physics with Modern Physics with Mastering Physics (11th Edition)

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21.10: a) Rubbing the glass rod removes electrons from it, since it becomes positive. kg. 10 27 . 4 ) electron kg 10 11 . 9 ( electrons) 10 4.69 ( electrons 10 69 . 4 ) C electrons 10 25 . 6 ( C) 10 7.50 ( nC 50 . 7 20 31 10 10 18 9 - - - × = × × × = × × = The rods mass decreases by
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Unformatted text preview: kg. 10 27 . 4 20-× b) The number of electrons transferred is the same, but they are added to the mass of the plastic rod, which increases by kg. 10 27 . 4 20-×...
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