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Posted by The Claw on 08-26-2001 12:07 AM:

Read above dude, they've ALWAY's been able to do that, but it takes quite a while to accelerate up to those speeds.
As I said, the problems regarding light speed arne't too much of a problem on EA ships, since they use Ion\Particle engines, whcih can only propel it so fast.

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Posted by Bman35 on 08-26-2001 12:10 AM:

Yeah, but they did it in like a few seconds, how did they accelerate so fast?

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Posted by NegspectahDek on 08-26-2001 03:21 AM:

man, pseudoscience at its best

engines limit accelerations not velocity. Given enough fuel and time, even the space shuttle could almost reach the speed of light. Hell, Sonic the hedgehog could do it.

This whole concept of a speed limit in space is added for gameplay value. If you've had elementary physics, you should know that. If you haven't, you shouldnt be speculating.


Posted by Fentible on 08-26-2001 07:57 AM:

Hi,

While NegspectahDek is perhaps being a bit harsh there is something to be said for a few of you folks reading a basic physics primer. Something dealing with Newton's laws at a basic level should do, though surely no-one here is young enough not to have covered them in school.

Bye,

Dave

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Posted by The Claw on 08-26-2001 04:16 PM:

Oh no, let me think, do I have a physics grade like that, mmm, I don't know, does A level physics count in this?
Yes engines limit acceleration, but the power of the engine (for want of a better word) also limits top speeds- the ship cannot move faster than the molecules coming out of the rear of the engine.

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Posted by NegspectahDek on 08-26-2001 06:11 PM:

quote:
Originally posted by The Claw
Oh no, let me think, do I have a physics grade like that, mmm, I don't know, does A level physics count in this?
Yes engines limit acceleration, but the power of the engine (for want of a better word) also limits top speeds- the ship cannot move faster than the molecules coming out of the rear of the engine.



maybe with a jet engine, but thats only because friction limits speed in an atmosphere.

Understand this concept: I am piloting the space shuttle, and I have more fuel than you cant count. Say I thrust up to 3000 m/s and turn of my engines. If nothing else happens to me, my velocity will remain 3000 m/s for eternity. Now say my engine exhaust speed is 30000 m/s. I thrust up 30000 m/s and turn off my engines. 5 minutes later, i turn them back on. Guess what, I'm going faster than 30000 m/s. As long as I have fuel and I keep flying in a straight line, I can keep going faster. \\

Simple as that


Posted by Driller on 08-26-2001 06:32 PM:

Acctually there is a speed limit in space!!!!

let's say you are standing at on mplace speed is 0m/s and you üut you're thrusters to max....then particels will come out of the engine let's say @ 3000m/s....
now we have thrusted our spaceship to a speed of 3000m/s and we turn off the engines.....
if you turn the engines to max again the speed of the particel will be 0m/s so there is no force to push you forward...


Posted by NegspectahDek on 08-26-2001 06:40 PM:

common misconception

the way you're thinking about it is that the exhaust particle need to push against something behind the ship in order to produce thrust. They dont. The fact that they leave the back end of the ship is enough to produce the thrust. In actuality, its the exhaust pushing against the thrust chamber that produces the thrust. As long nothing else effects the ships movement, nothing can limit the ships speed


Posted by Cr@zYdAvE on 08-26-2001 07:47 PM:

The only possible way a ship can travel at high speeds and avoiding everyone inside getting crushed is if something is pushing the ship. It goes something like if the ship is accelerating by itself there is a force that sort of pushed against the ship (no it's not friction) it doesn't slow the ship down but is like squashing it. However if something is pushing the ship the force goes on whatever is pushing it. This might apply to some types of engines in b5 i don't know.

And Driller have u heard of Enertia (i think thats how u spell it)

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Posted by zoobafoo on 08-27-2001 01:42 AM:

quote:
Originally posted by Cr@zYdAvE
The only possible way a ship can travel at high speeds and avoiding everyone inside getting crushed is if something is pushing the ship. It goes something like if the ship is accelerating by itself there is a force that sort of pushed against the ship (no it's not friction) it doesn't slow the ship down but is like squashing it. However if something is pushing the ship the force goes on whatever is pushing it. This might apply to some types of engines in b5 i don't know.

And Driller have u heard of Enertia (i think thats how u spell it)



Cr@zYdAvE you are so WRONG!What you are talking about (I think) is the ships accelerating. Anything that accelerates using its own power or not undergoes the same thing, Inertia!

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Posted by Sigma957 on 08-27-2001 01:44 AM:

And another thing is say a ship approaches the speed of the light the mass that is gained is astronomical and of course I don't think a human body weighing several ****** tonnes could handle that kind of mass either...

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Posted by Londo Molari on 08-27-2001 01:53 AM:

anyone who said engines limit speeds are wrong...I dont care if Ur A levels, universty year 2 physics here....

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Posted by zoobafoo on 08-27-2001 01:55 AM:

Sigma957, at nearly the speed of light everything gains more mass,but not matter, so it would weigh the same.

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Posted by NegspectahDek on 08-27-2001 02:10 AM:

also, to an observer, it seems like your mass is reaching infinity, but to you, nothing changes. If you really want to get down to it, as you approach the speed of light, time slows down, and you shink. relativity isnt the realm of pseudoscientists


Posted by Londo Molari on 08-27-2001 06:06 AM:

what I think is, the ship or yourself dont actually shrink/gain mass/stretch... it only APPEARS to do so, since the speed of light can't SHOW you ships moving faster than the speed of light, it distorts the image.

So we CAN go faster than the speed of light, we just wont see it happening, since the speed of light is kind of the limit of our visual odometer.

Einstein didint know what he was talking about...

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Posted by NegspectahDek on 08-27-2001 06:36 AM:

quote:
Originally posted by Londo Molari
Einstein didint know what he was talking about...


which is why he failed algebra the first time he took it .... doh


Posted by Kurare on 08-27-2001 08:58 AM:

Mass-energy relatiopn to volume

There's one thing no one has mentioned so far: singularity. At high speeds the mass-energy becomes so huge it starts to stretch space-time more and more strongly (of course this happens at zero speed too). Just before the light barrier mass-energy (E=mc^2) relation to volume reaches infinity, the ships collapses into a singularity, an event horizon forms and that what once was a ship turns into a black hole (and it's moving at incredible speed...). I'm not sure how stable the singularity would be (let's ask Mr. Hawking ), it might explode producing a giant flash of gamma radiation and particles (first pions, myons, mesons etc. by time they turn into stable particles like neutrinos, photons, electrons, positrons...) It might also cause some trouble since it stretces time-space: think of an Einstein-Rossen bridge (=wormhole) which opens nearby us, swallows half of the planet and then collapses. Not a very pleasant wiev. But I still love theoretical physics too .

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Posted by zoobafoo on 08-27-2001 06:43 PM:

The speed of light is the limit, because at the speed of light everything turns into energy. The reason Einstein falled was he was bored, he already knew all that so he didnt do the work.

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Posted by Cr@zYdAvE on 08-27-2001 07:45 PM:

quote:
Originally posted by zoobafoo
The speed of light is the limit, because at the speed of light everything turns into energy. The reason Einstein falled was he was bored, he already knew all that so he didnt do the work.


THat's wrong, havent u heard of Tachyons which travel faster than light which scientists have observed

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Posted by Bishop Gantry on 08-27-2001 07:58 PM:

Tachyons dont travel trough normal space do they?
in normal space light is the fastes thing there is

feel free to perforate my theory

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