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OpenStudy (sheena):
what are the gravitational potentials at a point on the earth's surface due to (a) the earth (b) the sun?
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OpenStudy (anonymous):
On a Earth surface if datum is earth's surface then zero
OpenStudy (anonymous):
the answer above is for earth potential
OpenStudy (anonymous):
sun one I am noway near to it : (
OpenStudy (sheena):
lol
OpenStudy (anonymous):
I believe for the sun you can calculate GPE using the idea that \[U = -G(Mm)/(r)\] where -G is the gravitational constant, M is the mass of the Sun, m is the mass of the Earth, and r is the distance between the two.
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OpenStudy (sheena):
ok...are u sure?
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