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KudoZ home » English to Farsi (Persian) » Astronomy & Space

escape speed

Farsi (Persian) translation: سرعت گریز

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GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
English term or phrase:escape speed
Farsi (Persian) translation:سرعت گریز
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11:29 Feb 20, 2009
English to Farsi (Persian) 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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سرعت گریز
Definition:
سرعت گریز در فیزیک و ستاره‌شناسی به سرعتی گفته می‌شود که یک جسم باید داشته باشد تا بتواند از چنگ نیروی گرانشی جسم دیگر بگریزد. سرعت گریز در سطح کره زمین برابر ۱۱٫۲ کیلومتر بر ثانیه است. هر جسم زمین که به این سرعت دست یابد می‌تواند برای همیشه زمین را ترک گوید.م
Selected response from:

Farzad Akmali
Grading comment
4 KudoZ points were awarded for this answer

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Summary of translations provided
5 +2سرعت گریز
Farzad Akmali


  

Translations offered


7 days   confidence: Answerer confidence 5/5 peer agreement (net): +2
سرعت گریز


Definition from ویکی پدیا:
سرعت گریز در فیزیک و ستاره‌شناسی به سرعتی گفته می‌شود که یک جسم باید داشته باشد تا بتواند از چنگ نیروی گرانشی جسم دیگر بگریزد. سرعت گریز در سطح کره زمین برابر ۱۱٫۲ کیلومتر بر ثانیه است. هر جسم زمین که به این سرعت دست یابد می‌تواند برای همیشه زمین را ترک گوید.م

Example sentence(s):
  • زماني كه شعاع اين ستاره كه جرم آن ده برابر خورشيد بود به 30 كيلومتر برسد، سرعت گريز از آن 300 هزار كيلومتر در ثانيه يعني برابر سرعت نور خواهد بود.م - انجمن فیزیک ایران  
  • همان طور که می دانید سرعت گریز سیاره به جرم آن بستگی دارد. اگر سیاره چگال باشد، گرانش آن بسیار قوی خواهد بود، و سرعت گریز بالا می رود. اما یک سیاره ی سبک تر سرعت گریز کمی خواهد داشت.م - آخاله  
  • سرعت گريز سياره به جرم آن وابسته است اگر سياره چگال باشد داراى گرانش قوى خواهد بود و لذا سرعت گريز آن بالاتر مى رود. اما يك سياره سبك تر سرعت گريز كمترى خواهد داشت. اين سرعت گريز به فاصله از مركز سياره نيز وابسته است. يعنى هرچه مركز سياره نزديك تر باشد سرعت گريز شما بيشتر خواهد شد.م - Iran Futurist  
Farzad Akmali
Native speaker of: Native in Persian (Farsi)Persian (Farsi), Native in Farsi (Persian)Farsi (Persian)
PRO pts in category: 8

Votes in favor of/against selecting this as the best translation of the term asked
Yes  Behzad Molavi: True. This term is better known as "escape velocity" in astronautics terminology.
52 days
  -> Thanks Sir!

Yes  Afsaneh Pourjam
62 days
  -> Thanks Madame!
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