Fundamentals of Physics Extended (10th Edition)

Published by Wiley
ISBN 10: 1-11823-072-8
ISBN 13: 978-1-11823-072-5

Chapter 2 - Motion Along a Straight Line - Problems: 18g

Answer

$t=2s$

Work Step by Step

For the maximum positive velocity, acceleration should be zero: $a=24-12t=0$ $t=\frac{24}{12}=2s$
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