Friday, June 27, 2008
Changing a baseball's axis of rotation
Can a pitcher throw a baseball in such a way that its axis of rotation changes (perhaps precesses) on the way to the plate? This seemingly would violate conservation of angular momentum, but the surface of the baseball, including the stitches, interact with the air surrounding it, so it might be possible. (The total angular momentum of the baseball and the air remains conserved.)
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