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| Autor/inn/en | Blanco, Philip Rodriguez; Mungan, Carl E. |
|---|---|
| Titel | Rocket Propulsion, Classical Relativity, and the Oberth Effect |
| Quelle | In: Physics Teacher, 57 (2019) 7, S.439-441 (3 Seiten)Infoseite zur Zeitschrift
PDF als Volltext |
| Sprache | englisch |
| Dokumenttyp | gedruckt; online; Zeitschriftenaufsatz |
| ISSN | 0031-921X |
| Schlagwörter | Physics; Science Instruction; Introductory Courses; Energy; Scientific Principles; Mechanics (Physics); Teaching Methods; Role; Space Sciences |
| Abstract | The role of work and mechanical energy in classical relativity has been a subject of renewed interest in this publication. Here we present a problem that illustrates the relationship between impulse and kinetic energy for a rocket-powered object that can also change its gravitational potential energy. The same introductory physics principles lead to a remarkable result when applied to the mechanics of spaceflight--the "Oberth effect"--whereby a small impulse can cause a large change in a rocket's orbital energy without violating any conservation laws. (As Provided). |
| Anmerkungen | American Association of Physics Teachers. One Physics Ellipse, College Park, MD 20740. Tel: 301-209-3300; Fax: 301-209-0845; e-mail: pubs@aapt.org; Web site: http://aapt.scitation.org/journal/pte |
| Erfasst von | ERIC (Education Resources Information Center), Washington, DC |
| Update | 2020/1/01 |
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