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spacecraft propulsionfrom Yahoo AnswersFriday, 3rd Feb 2012 - 9:02 am During the the Cold War and the Vietnam War the US government was being funded by the making and the selling of drugs. Now, that people have gotten wise to this scheme they've decided to come up with another: Space Travel?
Just the other day ... Thursday, 2nd Feb 2012 - 12:02 am An astronaut having mass 320 kg with equipment included is attempting an untethered space walk. The astronaut is initially at rest with respect to the nearby spacecraft, but discharges 30.0 g of nitrogen gas at 900.0 m/s from a portable propulsion un... Sunday, 29th Jan 2012 - 10:01 am Hi YahooAnswers,
I'm really stuck on this University type question and really want to do it for my college coursework, Could someone preferably not only answer it but construct a method with the answers so I can walkthrough it and learn how yo... Thursday, 19th Jan 2012 - 11:01 am I posted something about the Voyager spacecraft and I sure did get a lot of information, albeit regurgitated information. Things like the Voyager miraculously avoiding collisions with all of the debris out in space, the spacecraft slingshooting from ... Monday, 16th Jan 2012 - 8:01 am Could someone please help me with just these 2 questions? and show how you got your answer.
In 1998, NASA launched Deep Space 1 (DS-1), a spacecraft that successfully flew by the asteroid named 1992 KD (which orbits the sun millions of miles from ... Friday, 13th Jan 2012 - 12:01 pm solar sails as spacecraft propulsion system? how fast are they can the reach light speed or close to it and how long would it take a ship powered by solar sail to reach the nearest star?
has any scientist ever considered using a particle accelerat... Saturday, 7th Jan 2012 - 7:01 pm so, the STOR apparently what allow a violation of newtons 3rd law of motion. if a spacecraft is, for instance, travelling at the speed of light, acording to special relativity, it can not go any faster. if a thruster at the rear of the craft where to... Sunday, 25th Dec 2011 - 1:12 am If ur in a spacecraft in the middle of space so far away from any star or planet...so far that there is no gravity fields anywhere. would a propulsion engine still work since there is now no force to push against and technically there is now no react... Saturday, 26th Nov 2011 - 4:11 am Could anybody help explain how to do this problem? I haven't really been able to figure it out.
At full power, a spacecraft's 500 gigawatt ion propulsion drive accelerates the vessel from 20 m/s to 35 m/s in 22 seconds
a) find the mass ... Tuesday, 22nd Nov 2011 - 9:11 am yes, it's the old perpetual motion chestnut again, I'm afraid! I'm not in this field, but just did a bit of googling and could find no-one saying anything about it, perhaps because the idea is silliness itself... but given that matter... |
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