Universe
11th Edition
ISBN: 9781319039448
Author: Robert Geller, Roger Freedman, William J. Kaufmann
Publisher: W. H. Freeman
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Chapter 7, Problem 1CLC
To determine
Which planet will have its orbital path closest to a perfect circle. Take the reference of the table below.
| Planet | Orbital eccentricity |
| Mercury | .206 |
| Venus | .007 |
| Earth | .017 |
| Mars | .093 |
| Jupiter | .048 |
| Saturn | .053 |
| Uranus | .043 |
| Neptune | .010 |
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Tidal resonance occurs in the Earth’s ocean(s). The mean widths of the Pacific Ocean, Atlantic Ocean, and Indian Ocean are 16,000 km, 4,500 km, and 7,000 km, respectively; and the mean depth of the three oceans is 4 km. Suppose the tidal period is 12.5 hours, determine quantitatively which of the ocean(s) has/have tidal resonance.
A)At what altitude would a geostationary sattelite need to be above the surface of Mars? Assume the mass of Mars is 6.39 x 1023 kg, the length of a martian solar day is 24 hours 39minutes 35seconds, the length of the sidereal day is 24hours 37minutes 22seconds, and the equatorial radius is 3396 km. The answer can be calculated using Newton's verison of Kepler's third law.
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Chapter 7 Solutions
Universe
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