Answer
$143.178\,m$
Work Step by Step
The overall displacement is given as:
$(-140\,m)\hat{i} + (30\,m)\hat{j}$
The magnitude of this vector is (by the Pythagorean theorem);
$\sqrt{(-140\,m)^2+(30\,m)^2} = 143.178\,m$
Fundamentals of Physics Extended (10th Edition)
by Halliday, David; Resnick, Robert; Walker, Jearl
Published by
Wiley
ISBN 10:
1-11823-072-8
ISBN 13:
978-1-11823-072-5
Chapter 3 - Vectors - Problems - Page 57: 14c
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