EBK THE COSMIC PERSPECTIVE
9th Edition
ISBN: 9780135161753
Author: Voit
Publisher: VST
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Chapter 1, Problem 53EAP
Earth Rotation Speed. Mathematical Insight 1.3 shows how to find Earth’s equatorial rotation speed. To find the rotation speed at any other latitude, you need the following fact: The radial distance from Earth’s axis at any latitude is equal to the equatorial radius times the cosine of the latitude. Use this fact to find the rotation speed at the following latitudes. (Hint: When using the cosine (cos) function, be sure your calculator is set to recognize angles in degree mode, not in radian or gradient mode.)
a. 30°N b. 60°N c. your latitude
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EBK THE COSMIC PERSPECTIVE
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