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 - Page 33: 22k



Work Step by Step

We differentiate $v=\frac{dx}{dt}=6t-6t^2$ to find the expression for $a$: Therefore, $a=\frac{dv}{dt}=6-12t$ For $t=2s$ $a_{(2)}=6-12(2)=6-24=-18\frac{m}{s^2}$
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