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Aphelion and perihelion

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Earth's distance from the Sun varies from 1.47 multiplied by 1011 m at perihelion to 1.52 multiplied by 1011 m at aphelion because its orbit is not quite circular. Find the change in potential energy as Earth goes from perihelion to aphelion.



2. Homework Equations
ΔU=GMm ((1/r1)-(1/r2))


3. The Attempt at a Solution

i don't have any idea of what the value of m is
 

SteamKing

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How about M?

You know, this is the internet. You could always look it up.
 
140
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G= gravitational constant
M= mass of the sun( or the object that is being orbited.)
m= the object orbiting.
 

SteamKing

Staff Emeritus
Science Advisor
Homework Helper
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Well,do you know what values to use for G, M, and m?
 
140
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Yes, i got gor answer the following

1.774625476E32
 

SteamKing

Staff Emeritus
Science Advisor
Homework Helper
12,794
1,665
Any units which might be associated with this answer?
 
140
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Joules
 

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