Which of the following relations shows how the local acceleration due to gravity, , at any point outside or inside a planet varies with the density of the planet, , if the planet has a constant density throughout?
What is the acceleration due to gravity at a distance of 0.15 from Earth’s center of mass? Assume that Earth is a perfect sphere with a radius km and a constant density of 5,510 kg/m3. Give your answer to 3 significant figures.
What is the acceleration due to gravity at the center of Earth?