File:R = geo Re 2012-10-08 1809.png
R_=_geo_Re_2012-10-08_1809.png (747 × 521 pixels, file size: 47 KB, MIME type: image/png)
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Summary
[edit]DescriptionR = geo Re 2012-10-08 1809.png |
English: plot of kinetic energy EK, gravitational potential energy, EP and total Energy versus distance away from centre fo earth, r
at R = geostationary radius
Question: An earth satellite of mass 200 kg lost energy slowly through atmospheric resistance and fell from an orbit of radius m to m. Calculate the changes in the potential, kinetic and total energies of the satellite during this transition period. Solution: Assuming the orbits are in circular motion as it decays from to equation can be assumed to be valid to approximate this motion Thus,
since imply
This answer can also be verified from the formula relationship not intended to be memorized. |
Date | |
Source | Own work |
Author | Lookang many thanks to author of original simulation = Todd Timberlake author of Easy Java Simulation = Francisco Esquembre |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 10:15, 8 October 2012 | 747 × 521 (47 KB) | Lookang (talk | contribs) | User created page with UploadWizard |
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