Review article

Journey from St. Petersburg to Moscow or model of gravity train in Mathcad

Valery Ochkov ; National Research University Moscow, Power Engineering Institute (Technical University), Moscow, Russia
Katarina Pisačić orcid.org/0000-0002-9425-3708 ; Sveučilište Sjever, Sveučilišni centar Varaždin, Varaždin, Hrvatska

Abstract

This paper somewhat humorously shows a physical model of the semi-fantastic idea of an underground tunnel that would connect the two cities, which would be traveled through by the so called gravity train. The idea has existed since Robert Hook first presented it to Sir Isaac Newton. This problem is described by the system of ordinary differential equations. The solution of equation system is obtained numerically using Mathcad applications (with units) and function Odesolve.

Keywords

Mathcad; gravity train; ordinary differential equations; Odesolve

Hrčak ID:

137982

URI

https://hrcak.srce.hr/137982

Publication date:

15.3.2015.

Article data in other languages: croatian

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