Physics for Scientists and Engineers: A Strategic Approach with Modern Physics (4th Edition)

Published by Pearson
ISBN 10: 0133942651
ISBN 13: 978-0-13394-265-1

Chapter 4 - Kinematics in Two Dimensions - Exercises and Problems: 5

Answer

The correct acceleration vector is E.

Work Step by Step

The particle is speeding up. Therefore, the component of the acceleration vector which is parallel to the particle's velocity vector must point in the same direction as the velocity vector. The particle is curving downward. Therefore, the component of the acceleration vector which is perpendicular to the particle's velocity vector must have some component pointing downward. The correct acceleration vector is E.
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