Unformatted text preview: evaluated at P . Once we know the electric field, the force on the proton follows immediately from F → = q E → , where q = + e for the proton. In the region just to the left of x = 3.0 cm, the field is E → = (+300 V/m) ˆ i and the force is F = +4.8 × 10 − 17 N. (d) The force F G points in the + x direction, as the electric field E G . (e) In the region just to the right of x = 5.0 cm, the field is E → =(–200 V/m) ˆ i and the magnitude of the force is F = 3.2 × 10 − 17 N. (f) The force F G points in the − x direction, as the electric field E G ....
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- Spring '10
- Energy, Electric charge, 1.0 cm, 3.0 cm, 5.0 cm, 1.7 cm, 7.0 Volt