Question

the frame of reference use to?​

Answer 1

Answer:

Also called reference frame a Framework that is used for mathematical description and observation of Physical Phenomena and the formulation of Physical Laws which are usually Cinsisting of a observable, a coordinate and a clock times at Position with respect to the Coordinate System.

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Answer 2

Answer:

In Einsteinian relativity, reference frames are used to specify the relationship between a moving observer and the phenomenon or phenomena under observation. In this context, the phrase often becomes "observational frame of reference" (or "observational reference frame"), which implies that the observer is at rest in the frame, although not necessarily located at its origin. A relativistic reference frame includes (or implies) the coordinate time, which does not correspond across different frames moving relatively to each other. The situation thus differs from Galilean relativity, where all possible coordinate times are essentially equivalent.

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