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August 28, 2015

Homework Help: Magnets

Posted by Ed some one please help on Saturday, November 23, 2013 at 2:08pm.

A positive helium ion He+ is released from rest at the surface of a +1000 V flat electrode. It travels in the +x-direction (in vacuum) across a 1 mm gap, passes through a small hole in a +0 V electrode that is parallel to the first one, and enters a region of magnetic field. In the region with the magnetic field, it follows a path that curves in the +y-direction. Assume the magnetic field is uniform outside the electrodes, and zero in between them. For a field strength of B = 1.0 T, what is the radius of curvature of the resulting path in meters? A helium nucleus has two protons and two neutrons

I looked at the formula of Bobpursely, for Carl's question, I didnt get it, can you please plug in numberss to see where I have gone wrong. thanks

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