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liuxinhua
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- A problem of an isolated system's velocity in different inertial systems, in special relativity
A problem of an isolated system's velocity in different inertial systems, in special relativity
##\ \ \ \ \ ## In the inertial reference frame ##K##, the velocity of each component of an isolated system in ## x## direction is zero at a certain time.
##\ \ \ \ \ ## The inertial reference frame ##K'## moves to the right at velocity ##v## relative to the inertial reference frame ##K## in ## x## direction,
##\ \ \ \ \ ## In the inertial reference system ##K'##, whether there is such a time, at this time, the speed of each component of the isolated system is not less than ##v## in ## x## direction, and at least part of it is greater than ##v## in ## x## direction.
##\ \ \ \ \ ## In the inertial reference frame ##K##, the velocity of each component of an isolated system in ## x## direction is zero at a certain time.
##\ \ \ \ \ ## The inertial reference frame ##K'## moves to the right at velocity ##v## relative to the inertial reference frame ##K## in ## x## direction,
##\ \ \ \ \ ## In the inertial reference system ##K'##, whether there is such a time, at this time, the speed of each component of the isolated system is not less than ##v## in ## x## direction, and at least part of it is greater than ##v## in ## x## direction.