P23_033

# P23_033 - 16 N . A proton is positively charged, so the...

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33. (a) The magnitude of the force on the particle is given by F = qE ,whe re q is the magnitude of the charge carried by the particle and E is the magnitude of the electric Feld at the location of the particle. Thus, E = F q = 3 . 0 × 10 6 N 2 . 0 × 10 9 C =1 . 5 × 10 3 N / C . The force points downward and the charge is negative, so the Feld points upward. (b) The magnitude of the electrostatic force on a proton is F e = eE =(1 . 60 × 10 19 C)(1 . 5 × 10 3 N / C) = 2 . 4 × 10
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Unformatted text preview: 16 N . A proton is positively charged, so the force is in the same direction as the Feld, upward. (c) The magnitude of the gravitational force on the proton is F g = mg = (1 . 67 10 27 kg)(9 . 8 m / s 2 ) = 1 . 64 10 26 N . The force is downward. (d) The ratio of the forces is F e F g = 2 . 4 10 16 N 1 . 64 10 26 N = 1 . 5 10 10 ....
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