Physics :(( help please TT

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A source of ions at point O produces a slightly diverging beam with half-angle of divergence α0≪1. In order to collimate (re-focus) the beam, one can apply a uniform magnetic field along the z-axis (see the figure below). If all the ions have the same initial velocity and specific charge qm, the beam focuses at point A, again at point B and so on. Assuming that qm=10^5C/kg , B=10^−3T and v=100m/s find the distance
OA¯¯¯¯¯ in meters

  • Physics :(( help please TT -

    1.5 meters

  • Physics :(( help please TT -

    A source of ions at point O produces a slightly diverging beam with half-angle of divergence α0≪1. In order to collimate (re-focus) the beam, one can apply a uniform magnetic field along the z-axis (see the figure below). If all the ions have the same initial velocity and specific charge qm, the beam focuses at point A, again at point B and so on. Assuming that qm=105C/kg , B=10−3T and v=100m/s find the distance OA¯¯¯¯¯ in meters.

  • Physics :(( help please TT -

    answer \?????????

  • Physics :(( help please TT -

    1.2

  • Physics :(( help please TT -

    pretty sure it is 5.6 meters

  • Physics :(( help please TT -

    5.6 is wrong

  • Physics :(( help please TT -

    is 1.2 correct

  • Physics :(( help please TT -

    @tttt Mind your language. His answer might have been wrong but he has been trying to help you nonetheless. :)

  • Physics : -

    solution?

  • Physics :(( help please TT -

    please don't copy all answers for them....
    Please.. Avoid cheating a wrong answer.
    Post a correct answer.. You fool!

  • Physics :(( help please TT -

    Try 6.283

  • Physics :(( help please TT -

    6.283 is correct

  • Physics :(( help please TT -

    how you do that

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