Solved: Planets are not uniform inside. Normally, they are
Chapter 13, Problem 13.71(choose chapter or problem)
Planets are not uniform inside. Normally, they are densest at the center and have decreasing density outward toward the surface. Model a spherically symmetric planet, with the same radius as the earth, as having a density that decreases linearly with distance from the center. Let the density be 15.0 * 103 kg>m3 at the center and 2.0 * 103 kg>m3 at the surface. What is the acceleration due to gravity at the surface of this planet?
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