Understanding Our Universe
Understanding Our Universe
3rd Edition
ISBN: 9780393614428
Author: PALEN, Stacy, Kay, Laura, Blumenthal, George (george Ray)
Publisher: W.w. Norton & Company,
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Chapter 11, Problem 23QAP

a.

To determine

The difference in parts (a) and (b).

b.

To determine

The reason why blue arrows are larger in (b) than in (a); the significance of blue arrows.

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