Universe
11th Edition
ISBN: 9781319039448
Author: Robert Geller, Roger Freedman, William J. Kaufmann
Publisher: W. H. Freeman
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Question
Chapter 11, Problem 18Q
To determine
The reason for the existence of the global magnetic field of Mercury and also find out the reason behind the fact that its rotation period of 58.646 days implies that it can have only a weak magnetic field.
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What is the escape velocity in km/s from Venus' exosphere, which begins about 168 km above the surface? Assume the gravitational constant is G = 6.67 × 10-11 m3 kg-1 s-2, and that Venus has a mass of 4.9e+24 kg and a radius of 5800.0 km.
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Chapter 11 Solutions
Universe
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