On the speed of approach of objects during space flights


DOI: 10.34759/trd-2023-128-01

Аuthors

Popov I. P.

Kurgan State University, 63/4, Sovetskaya str., Kurgan, 640020, Russia

e-mail: ip.popow@yandex.ru

Abstract

It is noted that the first feature of the speed of approach of objects is that it can exceed the speed of light c, in contrast to any relative speed. We consider an inertial frame of reference with three recorders located in coordinates x0=0, x1, x2. Recorder clocks are synchronized. At the moment of time t0, the registrar located at the coordinate x0 registers the passage of the first object, and the registrar located at the coordinate x2 registers the passage of the second object. At the moment of time t1, the registrar located in the coordinate x1 registers the passage of both objects. The speeds of objects are constant. In the reference systems associated with the first and second objects, no measurements are made. To calculate the speed of approach of objects in this situation, the only way of reasoning is possible, namely: at the moment of time t0, the distance from the first object to the second was 0l=x2–x0; at the moment of time t1this distance became equal to zero; so the approach time was 0τ=t1–t0; therefore, the speed of approach of objects is equal to the ratio of these quantities. At the Large Hadron Collider, the speed of protons approaching is almost twice the speed of light. The aim of the work is to establish other features of the speed of collinear approach of two objects. The rate of collinear approach of two objects in relativistic mechanics is an essentially ambiguous quantity The results obtained do not contradict anything, do not refute anything, and are not a paradox.

Keywords:

approach speed, relative speed, speed of light, frame of reference, length segment, time interval

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