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jatasia

  • 3 years ago

An electron enters midway through a uniform electric field of 198 N/C at an initial velocity of 416 m/s, as shown in the diagram. If the plates are separated by a distance of 2.02 cm, how far along the x-axis will the electron hit the bottom plate.

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  1. jatasia
    • 3 years ago
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  2. nj1202
    • 3 years ago
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    I have an anwer, but for some reason i'm feeling it doesn't make sense... and that's not good cuz i'm learning this too and i can't even remember how exactly xD

  3. jatasia
    • 3 years ago
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    well any help is fine with me :)

  4. jatasia
    • 3 years ago
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    oh i see do i have to convert any numbers

  5. nj1202
    • 3 years ago
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    Well everything seems alright as given. But i just ran another vertical displacement equation and if we substitute in the horizontal d i just found above, it doesn't reach the plate... so the above is not correct..

  6. jatasia
    • 3 years ago
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    yeah i tried it out :(

  7. nj1202
    • 3 years ago
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    Is this like an online thing where it tells you if you're right?

  8. jatasia
    • 3 years ago
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    yep

  9. nj1202
    • 3 years ago
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    okay, well let's work through this, it'll help us both. First we should find the acceleration of the electron, obviously in the y direction.

  10. nj1202
    • 3 years ago
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    |dw:1347416485153:dw|

  11. jatasia
    • 3 years ago
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    would we do the same for the x

  12. nj1202
    • 3 years ago
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    Not necessary i don't think. the particle will move at constant velocity forever in the horizontal, so i think we just need vertical here. now we need the time to get a position.

  13. nj1202
    • 3 years ago
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    |dw:1347417162425:dw|

  14. nj1202
    • 3 years ago
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    |dw:1347417419533:dw|

  15. nj1202
    • 3 years ago
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    i think this might be right xD but check it out.

  16. jatasia
    • 3 years ago
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    oh ok... and nope im not sure exactly whats not adding up though

  17. nj1202
    • 3 years ago
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    I don't know.. i followed what i think i'd do. idk what else to try xD

  18. jatasia
    • 3 years ago
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    me neither suppose im hopeless lol

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