horizontal wire of mass $15.0\U{g}$ is placed between two thin,
vertical conductors, and a uniform magnetic field acts perpendicular
to the page. The wire is free to move vertically without friction on
horizontal wire of mass $15.0\U{g}$ is placed between two thin,
vertical conductors, and a uniform magnetic field acts perpendicular
to the page. The wire is free to move vertically without friction on