# 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 -

• 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....
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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