Essential University Physics: Volume 1 (3rd Edition)

Published by Pearson
ISBN 10: 0321993721
ISBN 13: 978-0-32199-372-4

Chapter 2 - Exercises and Problems - Page 30: 55

Answer

Please see the work below.

Work Step by Step

We know that $v^2=2ad$ This simplifies to: $t=\frac{v}{a}$ The above equation shows that time and acceleration are inversely proportional. So, if acceleration increases by 55% then the stopping time decreases by 55%.
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