Why can't a spaceship fly at light speed?
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Why can't a spaceship fly at light speed?

[From: ] [author: ] [Date: 17-04-16] [Hit: ]
Ship time on the rocket may be only a few weeks, to the goal, whileyears may have passed on Earth---those yeas being the light year distance to the goal.-Andrew Smith say: One of the principles that was established by experiment is that the speed of light is always the same no matter what the motion of the observer. This means that all motion is relative and the statement I am moving at speed x cannot be made at all under any conditions. There is no such thing as an object moving at speed x.......

But with the rocket we are dealing with absolute motion in the 4th dimension that gives relative motion in the third. SO time slows down (or "Drops back") for the rocket relative to the observer, until 90 degrees is reached and stops altogether (restively speaking) while at light speed. Beyond 90 degrees the ship runs backwards in time relative to the observer SO there is a disconnect.

Ship time on the rocket may be only a few weeks, to the goal, while years may have passed on Earth ---those yeas being the light year distance to the goal.
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Andrew Smith say: One of the principles that was established by experiment is that the speed of light is always the same no matter what the motion of the observer.
This means that all motion is relative and the statement " I am moving at speed x" cannot be made at all under any conditions.

There is no such thing as an object moving at speed x. Let alone the speed of light.

If you take the principle that we have discovered then no matter how much you accelerate the speed of light relative to you is still "c"
You can never get even an infinitesmal amount closer to the speed of light relative to yourself.
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electron1 say: The following equation is one of Einstein’s equations

m = mo ÷ √(1 – v^2/c^2)
m is called the relativistic mass. c is the speed of light.

According to this equation, the spaceship’s mass is inversely proportional to the value of the square root. As the spaceship’s velocity approaches the speed of light, the value of v^2/c^2 approaches 1. As this happens, the object’s mass approaches infinity.

Force = m * a

As the mass approaches infinity, the force approaches infinity. As this happen, the amount energy that is required to produce this approaches infinity. Since we do not have an infinite amount of energy it is impossible to make an object move at the speed of light. I hope this is helpful for you.
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