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Results tagged with reference-frames
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user 251344
A reference frame is a particular coordinate system chosen to represent physical entities. The notion is most often used in special and general relativity to denote particular coordinates chosen on the spacetime manifold.
1
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Special Relativity - Need a physical argument
Answer to question 1: Since we are talking about inertial coordinates systems, If origin O' (an endpoint of the rod in S') moves with constant velocity +V relative to O , so the entire rod in S' will …
- 1,330
0
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2
answers
169
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Maximum proper time in Minkowski Spacetime for free particles
Consider two events $\mathcal{A}$ and $\mathcal{B}$ corresponding to the beggining and the ending of trajectories of two massive particles, respectively. The particle named $\mathcal{P1}$ is in free m …
- 1,330
8
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3
answers
768
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In a general physical sense, is the position of a particle really a vector?
Is it consistent to define the position of a particle in some frame as a vector or is just an informal representation? Velocity and acceleration can be added up and multiplied by real numbers and stil …
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