Re: What we learned in physics

["Paul Camp" <pjcamp@coastal.edu>]

> In a rocket, the purpose of the burning fuel is to put the
> front of the craft in a relatively low-pressure area, so it can be sucked
> forward.  That reporter in the 40's who ridiculed Goddard was wrong, the
> problem is not that you cannot push against a vacuum.  The problem is how
> to create suction in outer space! 
>
>
>
> .....................uuuu / oo \ uuuu........,.............................
> William Beaty  

This is easy. The rocket exhaust creates a volume of stuff behind the 
rocket, thereby yielding a lack of suction in that direction. The 
previously existing suction in front of the rocket thereby pulls it 
forward. Now, how does it keep going when the rocket is turned off. . 
.. .?

Paul J. Camp                   "The Beauty of the Universe
Assistant Professor of Physics  consists not only of unity
Coastal Carolina University     in variety but also of 
Conway, SC   29528              variety in unity.
pjcamp@coastal.edu                    --Umberto Eco
pjcamp@postoffice.worldnet.att.net    The Name of the Rose
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