Questions tagged [observers]

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-3
votes
2answers
74 views

If The Flash ran a 100m race at 99.9% the speed of light, in what time would he finish the race according to himself and a stationary observer? [closed]

According to the time = distance/velocity formula it would take him 0.33 microseconds to complete. t = 100/(0.999 * 299 792 458) = 100/299 492 665.54 = 0.000000334 seconds (0.33 microseconds) My ...
-3
votes
2answers
171 views

Lorentz contraction explanation correct? [closed]

I was having a heated SE chat debate with someone re relativity. One of us believes the explanation above is correct, while the other believes it is not. Who is correct, and, if the explanation is ...
-3
votes
2answers
70 views

Does the position in universe of a person not matter regarding death?

I might be completely wrong, but watching a documentary about time, the Einstein theory of relativity came up. From their explanation, time "slows down" depending where you are in the universe. I ...
-3
votes
3answers
349 views

Special Relativity Paradox based on Einstein's explaination [closed]

Einstein explained the special relativity (roughly) like this: He first assumed the speed of light would not change regardless the speed of its source. Then he described a person on a moving train was ...
-4
votes
4answers
372 views

How Lorentz transformation is connected to reality and physics?

I don't understand whats the meaning of Lorentz transformation in Special relativity. In physics, the Lorentz transformations (or transformation) are coordinate transformations between two ...
-4
votes
1answer
77 views

Observer problem in Relativity [closed]

Which clock or observer conclude that time dilation has occurred? Is it the stationary clock/observer or the moving one? (Please bear in mind that each observer/clock independently concludes that one ...
-4
votes
1answer
54 views

How can we find an object in empty space without a reference point?

I've heard that to locate an object in space, we use a reference point. So, how can we find an object in empty space without a reference point?
-4
votes
1answer
213 views

Does the perception of time depend on the Mass/Height of the Observer?

Okay. We were discussing the following thing at work. Situation: Imagine a high building. If it falls sideways, it takes a lot of time in our perception. Now imagine something MUCH smaller. If we ...
-5
votes
0answers
62 views

What is exactly meant by “time is relative”?

Let's say we are traveling to the galaxy X - which will take 4 years for us to reach. However, it will take 100 years for the observer on the earth. How come is it possible? How 4 years can be ...
-6
votes
3answers
161 views

Can I speed up time by slowing down universe? [closed]

Baseline facts: ...
-6
votes
1answer
212 views

What would happen if we put Schrödinger inside the box and the cat opened the box door? [closed]

Schrödinger's cat is a thought experiment, sometimes described as a paradox, devised by Austrian physicist Erwin Schrödinger in 1935. It illustrates what he saw as the problem of the Copenhagen ...
-12
votes
1answer
587 views

Time goes slower the faster you go. What happens to time if you go too SLOW? [closed]

Time dilation is clear about what happens when you go faster than an earth observer, and about what happens when you travel at c. But earth is also moving, and thus we humans are not at the slowest ...