21st Century Astronomy (fifth Edition)
21st Century Astronomy (fifth Edition)
5th Edition
ISBN: 9780393603330
Author: Laura Kay, Stacy Palen, George Blumenthal
Publisher: W. W. Norton & Company
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Chapter 4, Problem 10QP
To determine

The change in the gravitational force between Earth and Moon, if the Moon is 2 times closer to Earth.

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