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escape speed


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11:29 Feb 20, 2009
English to Indonesian translations [PRO]
Science - Astronomy & Space
Additional field(s): Aerospace / Aviation / Space, Physics
English term or phrase: escape speed
Definition from physics.fortlewis.edu:
The speed necessary for an object to escape the gravitational pull of an object. Anything that moves away from the object with more than the escape speed will never return.

Example sentence(s):
  • When an object is traveling exactly at escape speed, it is in a parabolic orbit with the body at the focus of the parabola. A parabolic path is open; hence an object following such a path will never return to the body. Conservapedia
  • Black holes, having infinite density, have an infinitely large escape speed. But it turns out that the escape speed value depends on how far an object is from a body of mass. So there is a certain distance from a black hole where the escape speed just equals the speed of light. Are black holes real?
  • One somewhat counterintuitive feature of escape velocity is that it is independent of direction, so that "velocity" is a misnomer; it is a scalar quantity and would more accurately be called "escape speed". Space Wiki
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Summary of translations provided
5 +1kecepatan lepasrwijanarko


Translations offered

5 days   confidence: Answerer confidence 5/5 peer agreement (net): +1
kecepatan lepas

Definition from HyperPhysics:
Common term: Escape Velocity
Kecepatan yang diperlukan suatu benda untuk lepas dari tarikan gaya gravitasi.
Konsep perhitungan:
Dengan mengabaikan faktor gesekan, apabila energi kinetik suatu benda yang diluncurkan dari sebuah planet sama dengan besar energi potensialnya, maka benda tersebut akan dapat melepaskan diri dari planet tersebut.
Untuk benda di bumi, kecepatan lepas adalah sekitar 11,2 km/detik.

Example sentence(s):
  • Ini bisa dicapai bila temperatur atmosfer di sana cukup rendah atau satelit yang bersangkutan cukup masif sehingga akan mempunyai kecepatan lepas (escape velocity) yang besar untuk dapat menahan lolosnya atom-atom gas di lapisan atas tersebut. - fisik@net  
  • Medan gravitasi begitu kuat sehingga kecepatan lepas di dekatnya mendekati kecepatan cahaya. - Ilmupedia.com  

Di bahasa inggris nya sendiri terdapat perselisihan pemakaian istilah speed atau velocity, tapi karena keduanya berarti 'kecepatan' maka tidak ada perselisihan di bahasa Indonesia.
Yang umum digunakan adalah "escape velocity".
Mungkin bisa diarahkan ke entry baru "escape velocity".

Rumus perhitungan bisa dicari di Google dengan kata kunci "rumus kecepatan lepas"
Local time: 02:19
Native speaker of: Native in IndonesianIndonesian

Votes in favor of/against selecting this as the best translation of the term asked
Yes  Arfan Achyar: Setuju. Escape velocity juga diterjemahkan sebagai kecepatan lepas di dalam glosarium pusat bahasa.
19 hrs
  -> thanks :)
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