Essential University Physics: Volume 1 (3rd Edition)

Published by Pearson
ISBN 10: 0321993721
ISBN 13: 978-0-32199-372-4

Chapter 11 - For Thought and Discussion - Page 200: 4


This is a scalar quantity.

Work Step by Step

We know that we must perform the cross product first. After all, doing the dot product first would result in a scalar, and we cannot take the cross product of a vector and a scalar. Thus, the cross product must be performed first. Since we do the dot product after we do the cross product, the result will be a scalar quantity, for the dot product of two vectors is a scalar quantity.
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