problem21_26

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

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21.26: (a) 2 2 1 at x = C N 69 . 5 C 10 6 . 1 ) s m 10 1.00 ( kg) 10 11 . 9 ( s m 10 00 . 1 s) 10 3.00 ( m) 50 . 4 ( 2 2 19 2 12 31 2 12 2 6 - 2 = × × × = = = × = × = = - - q ma q F E t x a The force is up, so the electric field must be downward since the electron is negative.
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Unformatted text preview: (b) The electron’s acceleration is ~ 11 10 g, so gravity must be negligibly small compared to the electrical force....
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  • Electric charge, electrical force

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