Physics: Principles with Applications (7th Edition)

Published by Pearson
ISBN 10: 0-32162-592-7
ISBN 13: 978-0-32162-592-2

Chapter 1 - Introduction, Measurement, Estimating - General Problems - Page 20: 56

Answer

1.16 miles

Work Step by Step

One minute of arc is $\frac{1}{360\times60}$ of a full circle. The circumference of the earth is $2\pi R = 2\pi (6400)$ km The distance on the earth in 1 minute of arc is: $distance = \frac{1}{360\times60}\times2\pi(6400) ~km = 1.86 ~km$ $distance = (1.86~km)(\frac{1 ~mi}{1.609~km}) = 1.16$ miles
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