What, exactly do you mean by "in a confined cubicle"? What does that have to do with his measuring his motion relative to another system? What instruments does he have to measure with?shimph said:A person is in a confined cubicle - say 1m x 1m x 1m. Assuming he is not accelerating, he should not be able to tell if he is moving with respect to any other non-acclerating coordinate system. Are there any limits on his relative speed?
Relativistic velocity limitations refer to the speed limit imposed by Einstein's theory of relativity, which states that the speed of light is the maximum speed at which all matter and information can travel.
The speed of light, denoted by the symbol c, is considered to be the maximum speed because it is a fundamental constant of the universe and is the same for all observers, regardless of their relative velocities. This means that no matter how fast an observer is moving, they will always measure the speed of light to be the same value.
The theory of relativity has revolutionized our understanding of velocity by introducing the concept of space-time, where space and time are not absolute but are relative to the observer's frame of reference. This means that the perception of velocity can vary for different observers depending on their relative motion.
According to the current understanding of physics, it is not possible for any object or information to travel faster than the speed of light. As an object approaches the speed of light, its mass and energy increase infinitely, making it impossible to reach the speed of light.
Relativistic velocity limitations impose a barrier on the speed at which spacecraft can travel, making it difficult to explore distant regions of the universe. However, scientists are constantly researching and developing new technologies that may one day allow us to overcome these limitations and travel at speeds closer to the speed of light.