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#262 - carlfroch (07/04/2013) [-]
Question I've been asking myself: Since there is no (or almost no) friction in space, wouldn't your speed have a potential of infinity when being propeled by a reactor engine, assuming you have infinite fuel and you keep firing the engine forever, and you never meet any obstacles? Would your speed grow higher and higher, or is there a ''top'' speed limit you would eventually reach?
User avatar #311 to #262 - anonymoose ONLINE (07/04/2013) [-]
As you increase your speed, you mass increases. As your mass increases you need more energy you need to accelerate. Eventually, you need infinite energy to accelerate at all.

Maximum possible speed for something with mass is the speed of light.
User avatar #274 to #262 - jrondeau **User deleted account** (07/04/2013) [-]
The speed limit of space is the speed of light. Nothing can go faster.

However, you can still build a warp drive that manipulates the space in front of it and behind it to "move," thereby travelling faster than the speed of light. NASA's giving it a try atm.
User avatar #295 to #274 - godtherapist (07/04/2013) [-]
No, nothing can ACCELERATE faster than light. Things can most definitely go faster than the speed of light.
User avatar #264 to #262 - scorponok (07/04/2013) [-]
The faster you go, the more mass you get. When you reach light speed your mass is infinite thus the energy required to keep accelerating is also infinite.
User avatar #267 to #264 - carlfroch (07/04/2013) [-]
makes perfect sense, thanks alot
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