Thread: Ball posession: Roller (ball magnet) or vacuum?
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Unread 16-03-2010, 18:44
ernie. ernie. is offline
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Re: Ball posession: Roller (ball magnet) or vacuum?
What I was wondering was, if you were to use a ball magnet/roller would the roller have to spin at the same speed as the wheels? What's the math behind it?