problem21_30

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

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21.30: a) The electric field of the Earth points toward the ground, so a NEGATIVE charge will hover above the surface. C. 92 . 3 C N 150 ) s m 8 . 9 ( kg) 0 . 60 ( 2 - = - = = q qE mg b) N. 10 38 . 1 m)
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Unformatted text preview: 00 . 100 ( C) 92 . 3 ( 4 1 4 1 7 2 2 2 2 × = = = πε r q πε F The magnitude of the charge is too great for practical use....
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  • Electric charge, static electricity, Negative charge, N. The magnitude

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