Physics (10th Edition)

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

Chapter 1 - Introduction and Mathematical Concepts - Problems - Page 22: 30

Answer

(a) 8.59 units (b) $34.9^{\circ}$ (c) 8.59 units (d) $34.9^{\circ}$

Work Step by Step

To find the magnitude of the vector B, we can use the Pythagorean theorem. Using the pythagorean theorem we get 8.59. To find the direction we can use the cosine and we get $34.9^{\circ}$ The magnitude of vector B will be the same because the value of the resultant vector is the same and only the direction is changing. The angle will be in the negative direction since it is in the opposite direction.
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