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Gravitational Acceleration at the Apex (Posted on 2024-12-17) Difficulty: 3 of 5
Suppose that, in a distant galaxy, there is a solar system in which, instead of being spheres, the planets are right circular cones (with heights equal to the diameters of their bases). Suppose one of these planets has the same total volume and mass as our Earth, but a uniform density.

What would be the gravitational acceleration on a person standing in the center of the circular base, and what would be the gravitational acceleration on a person standing at the apex?

Assume the Earth is a perfect sphere with a radius of 6,370 km and an average density of 5,518 kg/m^3. Use a value of 6.673×10-11 N m^2/ kg^2 for G. Express your answers correct to three significant figures.

No Solution Yet Submitted by K Sengupta    
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  Subject Author Date
re: solnKenny M2024-12-18 04:28:43
solnSteven Lord2024-12-17 18:59:09
Solution - whew!Kenny M2024-12-17 15:48:46
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