Physics Technology Update (4th Edition)

Published by Pearson
ISBN 10: 0-32190-308-0
ISBN 13: 978-0-32190-308-2

Chapter 12 - Gravity - Problems and Conceptual Exercises - Page 412: 70

Answer

Please see the work below.

Work Step by Step

We know that the speed of the Skylab increases with the decreasing radius. We also know that the friction will slow Skylab and drop it to a lower orbit. Thus, we conclude that the friction is responsible for an increase in speed.
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