Physics (10th Edition)

Published by Wiley
ISBN 10: 1118486897
ISBN 13: 978-1-11848-689-4

Chapter 1 - Introduction and Mathematical Concepts - Focus On Concepts - Page 19: 11


The answer is (b)

Work Step by Step

Because $\overrightarrow{A}$ lies only along the y-axis and is pointed downward, we know that $\overrightarrow{A_x}=0$ and $\overrightarrow{A_y}$must be some negative value. The only option that fits that description is (b) $\overrightarrow{A_x}=0$ and $\overrightarrow{A_y}=-450.0$
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