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Intelligent Self Protection Solutions: Combative Psychology and Street Applied Martial Arts
 
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 Space propulsion

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Richard Grannon
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Richard Grannon


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Join date : 2008-02-18
Location : KL

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PostSubject: Space propulsion   Space propulsion EmptyTue Oct 07, 2008 10:13 am
how do you steer in space?

if jets need air as something to push against, what do you push against in a vacuum??
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AdamM




Posts : 261
Join date : 2008-02-19
Age : 51
Location : east midlands UK

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PostSubject: Re: Space propulsion   Space propulsion EmptyTue Oct 07, 2008 6:41 pm
chemical rockets turn thermal reaction into kinetic energy

no air resistance necessary

come on mate, it's not rocket scie...

oh hang on, it is
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Richard Grannon
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Richard Grannon


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PostSubject: Re: Space propulsion   Space propulsion EmptyWed Oct 08, 2008 11:33 am
how does that kinetic energy create a push effect?

is it by sort of exploding against itself??
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VictorS

VictorS


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PostSubject: Re: Space propulsion   Space propulsion EmptyWed Oct 08, 2008 11:52 am
www.howstuffworks.com
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BXC8

BXC8


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Join date : 2008-04-16
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PostSubject: Re: Space propulsion   Space propulsion EmptyWed Oct 08, 2008 3:09 pm
Newton's Third Law of Motion.For every action there is an equal but opposite reaction.
In a rocket or jet,the gases are ejected in one direction which creates a force which drives the rocket or jet in the opposite direction.
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PostSubject: Re: Space propulsion   Space propulsion Empty
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