At a depth d below the Earth's surface (assuming uniform density), g varies as:
Ag(1 − d/R)
Bg(1 + d/R)
Cg(1 − 2d/R)
Dg(1 + 2d/R)
Answer & Solution
Correct answer: A. g(1 − d/R)
g_d = g(1 − d/R).
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