What is the Potential Function and Gravitational Field of Earth?

  • Thread starter frogger832
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  • #1
I'm sorry if this sounds confusing. But I'm writing this question exactly how it is written in my textbook. I am stumped on this problem: Find the potential function and gravitational field of the earth. Then use those equations to determine the work that must be done to get a 100kg satellite into orbit. Ignore other planetary objects and relativity
 

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  • #2
Simon Bridge
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Welcome to PF;
To ask that question, your text-book must have given you a definition of "potential function" - probably in relation to a force or a potential energy - and also the equation for the gravitational force between two masses. Go look for them and the way forward will become clearer.
 
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