Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN: 9781133939146
Author: Katz, Debora M.
Publisher: Cengage Learning
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Chapter 7, Problem 7PQ
Model the Moon’s orbit around the Earth as an ellipse with the Earth at one focus. The Moon’s farthest distance (apogee) from the center of the Earth is rA = 4.05 × 108 m, and its closest distance (perigee) is rP = 3.63 × 108 m.
a. Calculate the semimajor axis of the Moon’s orbit.
b. How far is the Earth from the center of the Moon’s elliptical orbit?
c. Use a scale such as 1 cm → 108 m to sketch the Earth–Moon system at apogee and at perigee and the Moon’s orbit. (The semiminor axis of the Moon’s orbit is roughly b = 3.84 × 108 m.)
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Chapter 7 Solutions
Physics for Scientists and Engineers: Foundations and Connections
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