Magnetic fields?

  • #1

Homework Statement


A beam of protons is accelerated to a speed of 5.0x10^6 m/s in a particle accelerator into a uniform magnetic field. What B field perpendicular to the velocity of the proton would cancel the force of gravity and keep the beam moving exactly horizontally?

Homework Equations


B = qv/F


The Attempt at a Solution


I haven't made any attempts because I don't think that I was given enough information...
 

Answers and Replies

  • #2
Delphi51
Homework Helper
3,407
11
Begin with Fg = Fb (force of gravity equals magnetic force).
Fill in the detailed formulas, then solve for what you are looking for.
 

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