- #1
LawH
- 4
- 1
- TL;DR Summary
- I am not a physics student of any kind, but not knowing the answer to this has bothered me for some time
Hello everyone!
Let's say that you were to attempt to go as fast as possible on a spaceship with the mass of an average car in an absolute perfect vacuum. What I am wondering is, that if you were to reach a certain speed, and stop applying energy to this imagined spaceship, would the spaceship start slowing down by itself?
What I want to understand is, that reaching the speed of light in this spaceship would be impossible, because it would require a jolt of infinite energy, or that to keep it going at the speed of light, it would require a constant infinite input of energy to the spaceships movement to keep it moving? If you were to travel close to the speed of light in this spaceship, would you have to keep applying energy to it's movement, even if you had reached the speed that you wished to travel into keep it going, or, if you would get your ship to travel a certain speed, it would remain traveling at this speed and the problem is actually getting the ship to reach that speed, but once reached, the ship would carry on traveling in the speed it was pushed to travel in?
I hope you understood my question, and I hope I can understand your answers! :D
Let's say that you were to attempt to go as fast as possible on a spaceship with the mass of an average car in an absolute perfect vacuum. What I am wondering is, that if you were to reach a certain speed, and stop applying energy to this imagined spaceship, would the spaceship start slowing down by itself?
What I want to understand is, that reaching the speed of light in this spaceship would be impossible, because it would require a jolt of infinite energy, or that to keep it going at the speed of light, it would require a constant infinite input of energy to the spaceships movement to keep it moving? If you were to travel close to the speed of light in this spaceship, would you have to keep applying energy to it's movement, even if you had reached the speed that you wished to travel into keep it going, or, if you would get your ship to travel a certain speed, it would remain traveling at this speed and the problem is actually getting the ship to reach that speed, but once reached, the ship would carry on traveling in the speed it was pushed to travel in?
I hope you understood my question, and I hope I can understand your answers! :D