I was wondering about the differences between the two textbooks "Fundamentals of Physics" and "University Physics:? Skimming a few pages of them on images on the internet, it seems University Physics has a lot of updated diagrams to help the reader understand but I couldn't tell much beyond...
2 questions
Does light have a frame of reference?
Although there is no speed greater than c, can it be said that the change in distance between two identifiable objects changed at a rate greater than c?
For example one person I know said this:
I know that but it the symmetry of the incident sounds strange that it was moving at C at the point in spacetime it was created. That means that it was always at C and there is no start to its motion by rather it was always in motion. How can something be in motion without anything causing it to...
Now I know light motion is consistence from any frame of reference and can’t accelerate since it is mass less and lacks momentum. So the speed of light is always c. What about the point where light started? So does that imply that the speed of light was c at the point it was starting? That means...
How can the fabric of spacetime expand at a certain acceleration? Isn't speed the rate of space divided by time itself? How can you measure spacetime only using variables that are dependant on spacetime? It's like trying to measure the length of a stick using a stick."Kind of like saying an eye...