Fundamentals of Physics Extended (10th Edition)

Published by Wiley
ISBN 10: 1-11823-072-8
ISBN 13: 978-1-11823-072-5

Chapter 1 - Measurement - Problems - Page 9: 16a

Answer

$(1.55780644887275*10^{-3})*604800=3.88\times10^8$ $rotations$

Work Step by Step

One rotation requires 1.55780644887275s. In 7 days, there are 604800 seconds. Multiplication gives the number of rotations in 7 days. We need three significant figures according to the question
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