Recent content by lythia

Ah, I'm not sure I knew that second equation.. What does the charge relate to in it? I've tried to construct a diagram, and in that I've shown the iron sphere in line with the flux running straight through it. I was trying to do it in the context of a magnet in MRI scanners. Can I chose...

If I have a magnet of known strength (say 3 Tesla) and I have a solid iron sphere of 1 kg and it is positioned 2m from the magnet, how do I go about calculating its acceleration and so its final velocity upon reaching the magnet? Do I need to worry about gravity and starting height? I'm...