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spinning baseball bat


bird watcher

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I thought this was pretty neat. Check it out.

http://www.youtube.com/watch?v=nU9FRRoAA04&eurl=http%3A%2F%2Fwww%2Efacebook%2Ecom%2Fhome%2Ephp&feature=player_embedded

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The motion of the bat appears "funny" to me. Are you sure it's not just some clever video editing?

I don't think there would be any way to impart enough spin to the bat for it to rotate in place on a horizontal plane like that. When the batter released the bat during his swing, it would fly off, out of his reach.

A bat will rotate like a helicopter wing if it's released during a swing, but it doesn't do that in one spot. It departs the location pretty rapidly.

Now, if the batter were swinging the bat vertically, it might work. If he released the bat with a fairly low vertical momentum and a high angular (rotational) momentum, gravity would keep it from going very far while it made a rotation. You can try that yourself with a hammer or a knife, if you're careful not to hurt yourself -- it's not that difficult. But I don't think I've ever seen anyone spin an object horizontally like that without it flying away.

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