Precalculus (10th Edition)

Published by Pearson
ISBN 10: 0-32197-907-9
ISBN 13: 978-0-32197-907-0

Chapter 6 - Trigonometric Functions - 6.1 Angles and Their Measure - 6.1 Assess Your Understanding - Page 363: 109



Work Step by Step

We know that $d=2r\pi=2(3429.5)\pi=6859\pi$ miles. We also know that $\text{linear speed}=\frac{\text{distance}}{\text{time}}$ and that $1$ day consists of $24$ hours. Hence $\text{linear speed}=\frac{6859\pi}{24}\approx897.84$mph.
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