## Time Intervals Measured by Two Observers in Relative Motion

**Authors:** Qing-Ping Ma

It has been shown previously that when for two inertial observers A and B in relative motion, the value of the distance between A and B measured by observer B in a frame where B is stationary is the same as that obtained by observer A in a frame where A is stationary. The present study will show that the time interval for observer A to meet observer B measured by observer B in a frame where B is stationary is the same as that for observer B to meet observer A obtained by observer A in a frame where A is stationary. The proof is based on two fundamental conditions of special relativity: 1) the space time interval between two events in the Minkowski space is independent of the inertial reference frame chosen; and 2) there is no privileged reference frame and all inertial reference frames are equal.

**Comments:** 4 Pages.

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### Submission history

[v1] 2018-11-27 02:38:57

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