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anonymous

  • one year ago

a proton is moving horizontally at 7.9 * 10^5 m/s. It passes through a vertical magnetic field that points downward. In which direction is teh proton deflected by the magnetic field? A. to the left of its velocity B, to the right of its velocity C. up D. down is this using the fourth right hand rule? :/

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  1. anonymous
    • one year ago
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    yep

  2. Michele_Laino
    • one year ago
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    |dw:1434438261539:dw| since the subsequent vector equation holds: \[\Large {\mathbf{F}} = - e{\mathbf{v}} \times {\mathbf{B}}\]

  3. anonymous
    • one year ago
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    ok! what do we plug in? :/

  4. anonymous
    • one year ago
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    7.9 * 10^5 m/s

  5. rvc
    • one year ago
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    F=qvB

  6. Michele_Laino
    • one year ago
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    hint: |dw:1434438414300:dw|

  7. anonymous
    • one year ago
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    ohh so it is to the right of its velocity is our solution?

  8. anonymous
    • one year ago
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    yep

  9. Michele_Laino
    • one year ago
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    the force is pointing to left with respect to the velocity

  10. anonymous
    • one year ago
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    ohh so choice A is the solution?

  11. anonymous
    • one year ago
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    yes

  12. Michele_Laino
    • one year ago
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    that's right!

  13. Michele_Laino
    • one year ago
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    oops..sorry I have supposed it is an electron

  14. anonymous
    • one year ago
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    oh so it is to the right? or to the left?

  15. Michele_Laino
    • one year ago
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    so the right answer is to the right

  16. anonymous
    • one year ago
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    ooh ok yay! thanks!:)

  17. Michele_Laino
    • one year ago
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    :)

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