Physics: Principles with Applications (7th Edition)

Published by Pearson
ISBN 10: 0-32162-592-7
ISBN 13: 978-0-32162-592-2

Chapter 3 - Kinematics in Two Dimensions; Vectors - Problems: 7

Answer

a. The magnitude is 1.3 and the direction is 0 degrees (positive x-axis). b. The magnitude is 12.3 and the direction is 0 degrees (positive x-axis). c. The magnitude is 12.3 and the direction is 180 degrees (negative x-axis).

Work Step by Step

vector A = (6.8, 0) and vector B = (-5.5, 0). a. vector A + vector B = (1.3, 0). The magnitude is 1.3 and the direction is 0 degrees (positive x-axis). b. vector A - vector B = (12.3, 0). The magnitude is 12.3 and the direction is 0 degrees (positive x-axis). c. vector B - vector A = (-12.3, 0). The magnitude is 12.3 and the direction is 180 degrees (negative x-axis).
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