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Unread 12-04-2012, 21:55
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Re: Crazy robot idea for this year 2

Quote:
Originally Posted by Tristan Lall View Post
It's not just the velocity. Better to think of it in terms of energy, momentum or force.
Actually, the applied force and transferred energy, in this case, are velocity dependent according to the drag equation. The fluid density, ball area, and drag coefficient are fixed (unless you are using a very narrow stream of air, which would would change the area parameter). As a result, velocity really is the only relevant property of the airflow.
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