Recent questions in Special Relativity

+172 votes

0 answers

At the speed of light, how long would it take to go to Mars?

asked Jul 17, 2022 in Special Relativity by maddawg

+16 votes

0 answers

Can you travel faster than the speed of light (FTL)? If so, would time slow down for you relative to those left behind on Earth?

asked Jul 17, 2022 in Special Relativity by George Jay

+16 votes

0 answers

What is the speed of light? Is there any object that can travel faster than the speed of light? If not, why not and what are its consequences?

asked Jul 17, 2022 in Special Relativity by joinerjohn

+68 votes

0 answers

What happens when an object moves faster than the speed of sound? Is there something that stops it from going faster than the speed of sound? What happens if you go beyond that point?

asked Jul 16, 2022 in Special Relativity by mike jay

+6 votes

0 answers

What would happen if you travelled faster than the speed of light? Would you reach your destination before you even left?

asked Jul 16, 2022 in Special Relativity by bun the plumb

+23 votes

0 answers

How can we see distant stars and galaxies if they are travelling at the speed of light away from us?

asked Jul 16, 2022 in Special Relativity by kimble

+215 votes

0 answers

Why must a "spinning" electron move faster than the speed of light? Why can't it speed at 99.9999% the speed Of light?

asked Jul 15, 2022 in Special Relativity by Lemmor

+17 votes

0 answers

As we accelerate an object to near the speed of light, does energy increase or decrease in accordance with Einstein's equation, e=mc²?

asked Jul 15, 2022 in Special Relativity by spert44

+16 votes

0 answers

Do the effects of special relativity apply to non inertial frames of reference? If I accelerated to a constant velocity of 99% c would I continue to experience time dilation for as long as I maintained that speed or only when accelerating?

asked Jul 15, 2022 in Special Relativity by gordon bennett

+13 votes

0 answers

Would you see everything happen slowly around you if you were to travel with the speed of sound?

asked Jul 15, 2022 in Special Relativity by LuminousDreamer

+114 votes

0 answers

Can time dilation make you appear to be travelling FTL from your own perspective?

asked Jul 15, 2022 in Special Relativity by carrot top

+6 votes

0 answers

If velocity = displacement/ time and speed = distance/ time, how are both velocity/time and speed/time equal to acceleration?

asked Jul 14, 2022 in Special Relativity by DIY0001

+4 votes

0 answers

What is the maximum velocity an object can have in water?

asked Jul 12, 2022 in Special Relativity by John Moran

+177 votes

0 answers

What is the light speed in the universe, and where does the light come from to go where?

asked Jul 11, 2022 in Special Relativity by Steviescreamer

+18 votes

0 answers

Does a photon instantaneously gain the speed of light or do they accelerate from 0?

asked Jul 10, 2022 in Special Relativity by WOLF (2.7k points)

+12 votes

0 answers

The relativistic mass of a moving particle is 1.25 times bigger than its rest mass. What is the particle’s velocity?

asked Jul 10, 2022 in Special Relativity by PHILPH

+200 votes

0 answers

How long does it take for sunlight to reach us from the Sun? How far can sunlight travel in one second, if its speed is close to the speed of light?

asked Jul 10, 2022 in Special Relativity by T

+27 votes

0 answers

Is it probable that, if faster than light speed was possible, black holes would have never formed in the first place?

asked Jul 10, 2022 in Special Relativity by MysticHorizon

+271 votes

0 answers

How do you measure speed if there is no frame of reference in space?

asked Jun 20, 2022 in Special Relativity by CelestialCharm

+3 votes

0 answers

How long does it take for light to travel from one star to another?

asked Jun 20, 2022 in Special Relativity by sac

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