Science
Related: About this forumxkcd- Relativistic Baseball
What would happen if you tried to hit a baseball pitched at 90% the speed of light?
- Ellen McManis
Lets set aside the question of how we got the baseball moving that fast. We'll suppose it's a normal pitch, except in the instant the pitcher releases the ball, it magically accelerates to 0.9c. From that point onward, everything proceeds according to normal physics.:
The answer turns out to be a lot of things, and they all happen very quickly, and it doesnt end well for the batter (or the pitcher). I sat down with some physics books, a Nolan Ryan action figure, and a bunch of videotapes of nuclear tests and tried to sort it all out. What follows is my best guess at a nanosecond-by-nanosecond portrait:
The ball is going so fast that everything else is practically stationary. Even the molecules in the air are stationary. Air molecules vibrate back and forth at a few hundred miles per hour, but the ball is moving through them at 600 million miles per hour. This means that as far as the ball is concerned, theyre just hanging there, frozen.
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http://what-if.xkcd.com/1/
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