Essential University Physics: Volume 1 (3rd Edition)

Published by Pearson
ISBN 10: 0321993721
ISBN 13: 978-0-32199-372-4

Chapter 7 - Section 7.5 - Conservation of Energy - Got It?: 7.5

Answer

a, c, e, f

Work Step by Step

The overall system has its energy conserved when no external work is done. Thus, in the cases of things like a volcano and a hurricane, energy in the earth's system is conserved. However, when things outside the earth's atmosphere like asteroids and solar flares do work, energy in the system is no longer constant.
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