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Forums
Physics
Classical Physics
Mechanics
Escape Velocity and the Motion of Two Massive Bodies
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[QUOTE="Zaya Bell, post: 6078225, member: 625839"] Yes, you're right. Kepler's method assumes that the body escaping is far less massive than the body it escapes. So, it appears you've answered your own question. Kepler's method is inappropriate because it assumes the lesser mass is the escaping mass. This is clearly stated in the assumptions of Kepler's laws. We don't say the Earth orbits the moon but we say the moon orbits the earth, and the Earth orbits the sun. So the velocity needed for the sun to escape the Earth gravitation is definitely not equal to the above formula. wherever the sun goes, the Earth follows. [/QUOTE]
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Forums
Physics
Classical Physics
Mechanics
Escape Velocity and the Motion of Two Massive Bodies
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