College Physics (7th Edition)

Published by Pearson
ISBN 10: 0-32160-183-1
ISBN 13: 978-0-32160-183-4

Chapter 2 - Kinematics: Description of Motion - Learning Path Questions and Exercises - Exercises - Page 60: 6


The nurse has an average speed of $0.17\,\mathrm{m/s}.$

Work Step by Step

Total distance traveled, $d=25+25=50\,\mathrm{m}$. Total time taken, $t=0.5+4+0.5=5\,\mathrm{min}=300\,\mathrm{s}$. Average speed, \begin{align*} s&=\frac{d}{t}=\frac{50}{300}\\&=0.17\,\mathrm{m/s} \end{align*}
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