?????? ????? ????? (? ?????? : Ladder Paradox ) ??? ????? ?????? ?????? ??? ?? ??????? ?? ???? ?????? ?????? . ?????? ???? ???? ?? ??????? ?? ????? ??? ????? ?????? ???? ?????? ?????????, ?? ????? ??? ?????? ?????' ????? ?????? ?? ?????? ?? ????? ???????? ???. ?????? ???? ?????, ????? ?????, ????? ???????? ?????? ??????? ??? ???? ???. ????? ?? ?????? ?????? ???? ???????? ???? . ??????, ????? ????? ?????? ?????? ???? ????, ????? ????? ????? ??? ??? ??? ????? ????? ????. ??? ???, ?????? ???? ?? ???? ????? ?? ?????, ??? ???? ???, ?? ???? ???? ??????? ????? ??? ?? ????, ???? ?? ???? ????? ????? ?? ?????.

??????? ?????? ???? ?????? ??????? ??????? ?? ?????????? ??????. ????? ??????, ??????????? ??? ????? ?????, ?? ????? ????? ????? ????? ??? ??? ??????? ??????? ?????????, ?????? ?????? ???? ???? ???? ??????? ??? ??????? ???? ????. ????? ?? ?????? ????? ?????, ?? ?????? ?????? ????? ???? ?????? ?????????, ?????? ?????? ?? ????? ?? ???? ????? ?? ????? ?????? ??????? ?? ??? ??????, ?? ????? ??? ??? ????? ???? ?????? ?????? ???? ????? ???? ?? ????, ??? ??????? ????, ?????? ?????? ??? ???? ????? ????.

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????? ?????? ????? ?? ????? ????? ????, ?? ??? ????? ???? ?????? ??? ??????, ????? ???, ????? ?????? ????? ????, ??? ???? ???? ?????? ?????. ??? ??? ?????? ?? ????? ? ?????? ?????? ????? ??? ???? ?????. ???? ??????? ?????? ???, ????? ???? ?? ????? ??????? ?? ???????? ?????, ????? ???????? ??? ????. ??????, ??????? ???? ??? ????, ???, ???? ??? ???, ???? ???? ???? ????. ??????, ?? ?????, ????? ????????? ?? ??? ?????? ???? ??? ???, ??? ?????? ?????? ???? ???? ???? ????.

?? ??, ?????? ????. ??????? ?????? ????? ???? ??????? ? ??????? ?? ????. ????? ????? ??? ?? ????? ?? ??????? ????? ? ????? ?????? ??????????? ?? ????, ???? ?? ?? ???? ?????? ????? ??????????, ????, ??? ????? ??????? , ???? ???? ??????? ????? ?????. ?????? ???? ????, ????? ??? ???? ????, ????? ??? ??? ??????? ?????. ??? ??? ???? ????? ???????? ????, ????? ????? ???? ??? ????? ??? ????? ??? ????? ?????? ?? ????? ???? ??? (????) ???? ?? ????: ????? ?? ????? ??????, ???? ????? ?????? ????? ?? ??? ?????? ???? ????? ????. ??? ????? ???? ?? ??? ?????? ?????? ???? ??? ???????.

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??? ?????? ???? ??????? ???? ????? ???, ???? ???? ???? ?? ????? ?????? ?? ????? (????? ???? ??? ??) ???? ????? ?????? ?? ????. ???? ?? ???? ?????? ?? ????? ?- ${\displaystyle L_{1}}$ ??? ???? ?????? ?? ???? ?- ${\displaystyle L_{2}}$. ?????? : ${\displaystyle L_{2}={\frac {L_{1}}{\gamma }}=L_{1}\cdot {\sqrt {1-\beta ^{2}}}}$ ???? ${\displaystyle \beta =v/c}$, ?? ?????? ????? ?????? ????? ????. ?????? ?????? ?? ?????, ???? ???? ??? ${\displaystyle L_{2}'={\frac {L_{1}}{\gamma ^{2}}}}$. ??????????? ?? ??????? ?????? ?? ???? ?????? ???????? (????? ??? ??????? A ?-B) ?????? ?????? ?? ???? ?? ????? ????? ?????? ?????? ?? ?????, ?? ???????? ???? ????? ??? ???????? A ?-B ???? ????? ? ???????? ???? ??? (????? ?????? ????????? ) ?????? ?????? ?? ?????.

? ???????????? ????? ???? ????? ?????? ${\displaystyle t_{A'}-t_{B'}}$ ?? ???????? ${\displaystyle A'}$ ?- ${\displaystyle B'}$ (??? ??????? A ?-B ??? ?????? ?????? ?????? ?? ?????) ??? ${\displaystyle L_{2}{\frac {v\gamma }{c^{2}}}=L_{1}{\frac {v}{c^{2}}}}$. ????? ??? ???? ?????? ??? ???? ??? ???? ????? ????? ?? ???? ??????? ???? ???? ????? ???? ?? ???? ?????? ??? : ${\displaystyle T={\frac {L_{1}-L_{2}'}{v}}={\frac {L_{1}(1-1/\gamma ^{2})}{v}}=L_{1}{\frac {v}{c^{2}}}}$, ????? ${\displaystyle T=t_{A'}-t_{B'}}$, ??????? ????? ????? ???? ?? ???? ?????? ?? ?????? ???????? ????? ????? ?? ???? ????? ?? ???? ?????.

????? ????? ???? ?? ????? ?????? ?? ????? ??? ????? ????, ????????? ?????? ???????? ??? ???????? ?????? ????? ???? ?? ????? ?? ???? ???? ?????? ??????.

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?? ?????? ??????????? ???? ????? ?? ????? ????? ???????? ??????? ?????????? ?????? ????? ??? (????? ??????? ???? ?????) ??????? ?? ??? ????? ?????? ?????? ????? ????, ?????? ?????? ?????. ????, ????? ? ??? ?? ??????? ???? ??????? ????? ??? ????? ????? ??? ?????.

????????? ?????? ??????? ????? ?????? ? ????? ????????? ?????? ????? ????. ?????? ??? ?????? ?????? ?? ????. ??? ????? ????? ???? ?? ????? ????? ???? ?????-???, ???? ????? ????? ??????? ???? ?? ????? ?????? ???? ????? ???. ???? ?-x ?-t ?? ???? ????? ????? ?? ????, ??????, ???? ???? ?-'x ?- 't ??????? ?? ???? ????? ????? ?? ?????, ??????. ???? ?????? ???? ?-t' ???? ???? ????? ?? ??? ?????? ????????, ?? ?? ?? ??? ???? ?????. ?????, ????? ?? ?????? ????? ??????? ????? ?? ????? ?????? ?? ????? ???? ????? ????? ????.

??? ????? ?????? ????? ???? ?-x', ?????? ?? ???? ?? ??????? (???????) ? ????-??? ?? ???? ???????? ????????? ?????? ?????? ?? ?????. ????? ???? ????? ???? ???? ???? ???????? ??????, ??? ????? ??????? ?? ????? ????-????? ?? ???? ????? ?????? ?????? ?? ????, ???? ?? "??????" ?? ?? ???? ????? ????? ???????? ??????? ?????, ?????? ????? ?? ????? ??? ???? ???? ?????? ?????? ?? ?????, ????? ??? ????? ?????? ??? ????? ???? ?????? ?? ????? (????? ${\displaystyle L_{1}}$).

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