Universe
11th Edition
ISBN: 9781319039448
Author: Robert Geller, Roger Freedman, William J. Kaufmann
Publisher: W. H. Freeman
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Chapter 4, Problem 1CLC
To determine
The time taken by Pluto to revolve around the Sun, given that the semi-major axis of Pluto is 39.5 au.
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(to two decimal places): (what is ‘h’?)
Eccentricity of earth orbit is 0.0167
µ(sun) = 1.32712E+11 km^3/s^
semimajor axis of Earth orbit = 1.49598E+08
need to figure out what ‘h’ is.
a) Calculate the speed of the earth around the sun at aphelion? (29.29 KM/S)
b) At perihelion? (30.29 KM/S)
Two moons orbit a planet in circular orbits. Moon A has orbital radius R, and moon B has orbital radius 4 R. Moon A takes 20 days to complete one orbit. How long does it take moon B to complete an orbit?
20 days
5 days
320 days
160 days
80 days
The solar system has a planet with an orbital period T1b=1.51d and an orbital radius of R1b=1.6456x10^6km. Another planet in the system has an orbital radius of R1f=5.5352x10^6 km. Calculate its orbital period in days.
Chapter 4 Solutions
Universe
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