TheDudeAbides Posted March 26, 2009 Share Posted March 26, 2009 A Lithium ion with a mass of 1.16 x 10^-26 kg is accelerated through a potential difference of 220 V and than enters a magnetic field with magnitude 0.723 T perpindicular to the path of the ion. What is the radius of the ion's path in the magnetic field? My gut is telling me that I need to find the speed as it enters the magnetic field, from there I could find the radius easily. But I can't find the speed. How to do this question? Link to comment Share on other sites More sharing options...
swansont Posted March 26, 2009 Share Posted March 26, 2009 A charge accelerated through a potential difference has a kinetic energy. Do you have an equation that relates those variables? Link to comment Share on other sites More sharing options...
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