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3 Dec 2020

What is the escape velocity of the sun at a distance equal to the average orbital distance of the earth?

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Mechanics 1
Skill
Understanding phenomena based on gravity occurring in everyday life
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Amal Jeeva
Amal JeevaLv10
3 Dec 2020
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Related textbook solutions

Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

Related questions

11: How fast would you need to travel a) to escape the gravitational pull of the sun? b) As the sun begins to die, it will become a red giant. This means that its mass will remain the same but its diameter will increase substantially. When the sun becomes a red giant will its escape speed be greater than, less than, or the same as it is now?


12: How fast would the moon need to travel in order to escape the gravitational pull of the Earth, if Earth has a mass of 5.98 X 10^24 kg and the distance from Earth to the moon is 3.84 X10^8 m?

The table below lists the average distance R to the Sun and orbital period T of the first planets:

Ā 

Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā  DistanceĀ  Orbital Period
MercuryĀ  0.39 AUĀ Ā Ā  88 days
Venus Ā Ā  0.72 AUĀ Ā Ā  225 days
EarthĀ Ā Ā Ā  1.00 AUĀ Ā Ā  365 days
MarsĀ Ā Ā Ā Ā  1.52 AUĀ Ā Ā  687 days


(a) Calculate the average distance of Mercury, Venus and Mars to the Earth.
Which one of these planets is the closest to Earth on average?


(b) Calculate the average distance of Mercury, Venus and Earth to Mars.
Which one of these planets is the closest to Mars on average?


(c) What do you expect for the other planets?

a planet whose distance from the sun is 3 au would have an orbital period of how many earth-years?

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