P2207_fall10_lecture21 - Satellite motion Energy of orbital...

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What is the initial speed you would have to give an object so that it can escape from the Earth’s surface and never come back, i.e. go infinite far away from Earth ( escape speed )? v = ? A. 25 mi/h B. 250 mi/h C. 2,500 mi/h D. 25,000 mi/h E. 250,000 mi/h
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Today: Newton’s law of gravitation
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Unformatted text preview: Satellite motion Energy of orbital motion Escape speed If you double the orbital radius of a satellite in a circular orbit, what must happen to its orbital velocity? v f = ? A. v i B. 2 v i C. 2 v i D. 1/ 2 v i E. 1/2 v i Satellites orbiting Earth Geosynchronous orbit: T = 1 day...
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This note was uploaded on 10/27/2010 for the course PHYS 2207 at Cornell University (Engineering School).

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P2207_fall10_lecture21 - Satellite motion Energy of orbital...

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