Physics for Scientists and Engineers: A Strategic Approach with Modern Physics (3rd Edition)

Published by Pearson
ISBN 10: 0321740904
ISBN 13: 978-0-32174-090-8

Chapter 1 - Concepts of Motion - Exercises and Problems - Page 30: 26


Please see the work below.

Work Step by Step

We know that (a) $20ft=20ft\times (\frac{1m}{3ft})=7m$ (b) $60miles=60miles\times(\frac{1Km}{0.6miles})\times (\frac{1000m}{1Km})=100000m$ (c) $60mph=(60mph)(\frac{1\frac{m}{s}}{2mph})=30\frac{m}{s}$ (d) $8in=(8in)(\frac{1cm}{\frac{1}{2}in})(\frac{10^{-2}m}{1cm})=0.2m$
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