Comment 28635

By Ted Mitchell (registered) | Posted February 12, 2009 at 14:41:50

Apologies if the equations don't make much sense, the superscripts and subscripts didn't come through intact. For clarification, it will probably be easier to grab a physics text!

Re kinetic friction, in the box it should have read "as in wheels spinning".

UrbanR's explanation is better.

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