P22_019 - . The total charge of the collection is q = Ne =...

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19. The mass of an electron is m =9 . 11 × 10 31 kg, so the number of electrons in a collection with total mass M =75 . 0kg is N = M m = 75 . 0kg 9 . 11 × 10 31 kg =8 . 23 × 10 31 electrons
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Unformatted text preview: . The total charge of the collection is q = Ne = (8 . 23 10 31 )(1 . 60 10 19 C) = 1 . 32 10 13 C ....
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