Homework Help: physics

Posted by Jamie on Friday, April 9, 2010 at 8:34am.

An electron, moving with a speed, 6.8 km/s, enters a magnetic field that has a strength of 6.9 T. The magnetic force on the electron is perpendicular to the electron's velocity. Determine the radius of the resultant path of the electron.

physics - bobpursley, Friday, April 9, 2010 at 9:27am
centripetal force=magnetic force

mv^2/r=Bqv
solve for r.

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