College Physics (4th Edition)

Published by McGraw-Hill Education
ISBN 10: 0073512141
ISBN 13: 978-0-07351-214-3

Chapter 1 - Problems: 79

Answer

The conversion factor is 2.24 To make a quick approximation, the easiest conversion factor might be $\frac{9}{4}$ which is $2.25$

Work Step by Step

We can convert $1~m/s$ to units of $mi/h$: $1~m/s\times \frac{3600~s}{1~h}\times \frac{1~km}{1000~m}\times \frac{0.6214~mi}{1~km} = 2.24~mi/h$ The conversion factor is thus 2.24. To make a quick approximation, the easiest conversion factor might be $\frac{9}{4}$ which is $2.25$.
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