Answer
Please see the work below.
Work Step by Step
Option (d) both of these is correct answer. We know that a unit vector has a magnitude of unit 1 and arbitrary direction.
College Physics (7th Edition)
by Wilson, Jerry D.; Buffa, Anthony J.; Lou, Bo
Published by
Pearson
ISBN 10:
0-32160-183-1
ISBN 13:
978-0-32160-183-4
Chapter 3 - Motion in Two Dimensions - Learning Path Questions and Exercises - Multiple Choice Questions - Page 95: 7
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