Answer
$v_{f}=8\frac{4}{9}m/s$
Work Step by Step
We use $v_{0}$, which we found in the last problem, as well as the given variables to obtain:
$v_{f}=v_{0}+at=(15\frac{5}{9}m/s)+(-3\frac{5}{9}m/s^{2})(2.00s)=8\frac{4}{9}m/s$
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 2 - Motion Along a Straight Line - Problems - Page 34: 33b
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