Fundamentals of Physics Extended (10th Edition)

Published by Wiley
ISBN 10: 1-11823-072-8
ISBN 13: 978-1-11823-072-5

Chapter 3 - Vectors - Questions - Page 56: 9(1)b


B is traveling in the -x direction.

Work Step by Step

The product of V and B only equal F when they are at equal angles with it. When B is traveling to the bottom right, the magnitude of its angle from F is the same as the magnitude of the angle from V. When q is negative, then the whole equation becomes negative and the direction of B must be reflected over z.
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