When the speed of light is slower than it should be.

AI Thread Summary
If the speed of light were only 20 m/s, life would be drastically different, affecting everything from transportation to perception of time. The discussion highlights the implications of Special Relativity, particularly how it relates to the observer's experience of light and darkness. Participants explore the basic postulates of relativity, emphasizing that the laws of physics remain constant across inertial reference frames. There is confusion regarding the relationship between speed and light, especially in terms of experiencing darkness while moving at high speeds. The conversation underscores the need for a deeper understanding of relativity to grasp these concepts fully.
Aizenta Tyriel
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Homework Statement



Name several ways in which our life would be different if the speed of light is 20 m/s rather than its actual value.

Homework Equations


Does it also affect our biological clock?

The Attempt at a Solution



I believe that if your would travel any vehicle at opposite direction of the sun, your speed is much faster than of the photons so i believe you would experience absolute darkness. Any ideas?
 
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What do you know about Special Relativity that applies here?

Also, what class is this homework for?
 
Drakkith said:
What do you know about Special Relativity that applies here?

Also, what class is this homework for?

This is for my Modern Physics class. I'm not really good at this. I only know few basics like time is relative to the observer and its always link with space. It slows down if the velocity is almost the same as that of the light's speed and others.
 
Do you have any books or class material that explain the basics of Relativity?
 
Drakkith said:
Do you have any books or class material that explain the basics of Relativity?

Yes, Schaums Outlines College Physics Book. But this only contains solutions and problem solving and less applications to daily life.The rest are high school Physics book which has no information for my problem.
 
Aizenta Tyriel said:
Yes, Schaums Outlines College Physics Book. But this only contains solutions and problem solving and less applications to daily life.

Does it cover the basic rules of relativity in it? There's one very, very important one that you're forgetting here. :wink:
 
Drakkith said:
Does it cover the basic rules of relativity in it? There's one very, very important one that you're forgetting here. :wink:

Sir, do you mean the first and second postulates? sorry, i am a biology major and sucks at physics.
 
Indeed. What do those postulates say and how might they apply to this situation?
 
Drakkith said:
Indeed. What do those postulates say and how might they apply to this situation?

As far as i know, the laws of physics is constant in all inertial reference frame and the light's speed in free space has the same value for all observers, regardless of their state of motion. that is what the postulates state but it was highlighted there that nothing travels faster than light so i really don't get the idea if it slows down.
 
  • #10
Notice what you just wrote vs what you wrote in your original question:

Aizenta Tyriel said:
I believe that if your would travel any vehicle at opposite direction of the sun, your speed is much faster than of the photons so i believe you would experience absolute darkness.

Aizenta Tyriel said:
that is what the postulates state but it was highlighted there that nothing travels faster than light

Do you see a disagreement here?
 

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