Physics
posted by Krishna .
Assume that a deposit of oil is located 2000 m directly below. Estimate the size of the deposit, assumed spherical.

I feel it is difficult to answer this question because we need more information.

I posted an answer to a different but similar version of this question two days ago.
http://www.jiskha.com/display.cgi?id=1270523096
You do need more information. Are there measurements of the variation in the acceleration of gravity above the deposit?
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