Subject:
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Re: "real" LEGO Hovercraft ? (with/without batteries/RCX "onboard")
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Newsgroups:
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lugnet.robotics
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Date:
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Sat, 30 Nov 2002 02:32:35 GMT
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Original-From:
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Steve Baker <sjbaker1@SPAMLESSairmail.net>
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Viewed:
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1136 times
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Jim Choate wrote:
> You're in an elevator. The elevator goes down. Your weight decreases but
> your mass does not.
And if we were talking about a hovercraft in an elevator - I'd be
agreeing with you.
Dumb pedantry doesn't work here. The **WEIGHT** of the hovercraft
is just as important/relevent/applicable as the **MASS** of the
hovercraft when we are concerned with the pressure/volume of air
required to make it hover. It's every bit as relevent to discuss
the weight as the mass in this circumstance. If we were talking
about the force required to make it move forwards or backwards
then I'd be agreeing with you.
Quit trying to be the smarter physicist and let's advance the
conversation usefully before we descend into complaining about
each other's grammar and punctuation.
---------------------------- Steve Baker -------------------------
HomeEmail: <sjbaker1@airmail.net> WorkEmail: <sjbaker@link.com>
HomePage : http://web2.airmail.net/sjbaker1
Projects : http://plib.sf.net http://tuxaqfh.sf.net
http://tuxkart.sf.net http://prettypoly.sf.net
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