Physical Quantities in Different Reference Systems According to Relativity
- 1 February 1967
- journal article
- Published by American Association of Physics Teachers (AAPT) in American Journal of Physics
- Vol. 35 (2) , 83-89
- https://doi.org/10.1119/1.1973974
Abstract
The relativistic transformation of measurements from one observer S to another observer S′ is valid, of course, only when both observers are measuring the same physical quantity. What is the same quantity is, however, not a trivial problem in relativity. As a matter of fact, two different definitions have already been used in the literature, without realizing that they were not equivalent. Some of the pitfalls of such a confusion are discussed.Keywords
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