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Why events are not simultaneous in every inertial reference frame?
and
Why is the speed of light constant?
and
Why is the speed of light constant?
tiny-tim said:Hi DanicaK!
These are elementary rules of Special Relativity.
Which book are you working from?
Which part do you not understand?
DanicaK said:… in my book from Zambak publication …
The special theory of relativity is a scientific theory developed by Albert Einstein in 1905. It explains the relationship between space and time and how they are affected by the speed of an object.
The key principles of the special theory of relativity are the principles of relativity and the constancy of the speed of light. The principle of relativity states that the laws of physics are the same for all observers in uniform motion, while the constancy of the speed of light states that the speed of light in a vacuum is the same for all observers regardless of their relative motion.
The special theory of relativity differs from Newton's theory of gravity in that it takes into account the effects of high speeds on the laws of physics. Newton's theory of gravity does not consider the effects of special relativity and is only applicable in situations where speeds are significantly lower than the speed of light.
The famous equation associated with the special theory of relativity is E=mc^2, which relates the energy (E) of an object to its mass (m) and the speed of light (c). This equation shows that mass and energy are equivalent and can be converted into each other.
The special theory of relativity has many real-world applications, including GPS technology, nuclear power, and particle accelerators. It also plays a crucial role in modern physics and has led to groundbreaking discoveries such as the theory of general relativity and the concept of spacetime.