Universe
11th Edition
ISBN: 9781319039448
Author: Robert Geller, Roger Freedman, William J. Kaufmann
Publisher: W. H. Freeman
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Chapter 14, Problem 16Q
(a)
To determine
The average density of the interior region of Uranus, if the shell of water, ice and the rocky core of Uranus comprise 80% of the mass and the radius of the interior region is 70% of the planet’s radius.
(b)
To determine
The way in which the average density of the interior region of Uranus as calculated in part (a) compares with the average density of Uranus as a whole. Also, determine whether this value is expected and the reason behind it.
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Chapter 14 Solutions
Universe
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- Given the masses and radil of Uranus and Neptune, calculate the gravity at the "surface" of each of the planets.arrow_forward(a) What is the difference between the forces due to Uranus on a 1.0 kg mass located at the near side of Ariel and at the far side of Ariel? Ariel has a mean radius of 579 km and a mean orbital radius about Uranus of 199,900 km. (Enter the magnitude in newtons.) N (b) Compare this difference to the difference for Earth due to the Moon, 0.22 × 10' -5 N. (Tidal forces are the cause of volcanic activity on some moons.) ΔF, Ariel due to Uranus ΔF. Earth due to Moonarrow_forwardWhich of these things did the Voyager spacecraft discover about Enceladus in the early 1980s, indicating that it is somewhat unusual among planetary bodies in our solar system? Check the TWO items that apply. a It has a thick atmosphere, made mostly of nitrogen. b It has the darkest, least reflective surface of all the known planetary bodies. c It is the brightest (i.e. most reflective) object in the solar system. d The entire surface is more heavily-cratered than any other body in our solar system. e Its surface is very smooth in some places.arrow_forward
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