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 38: 95b

Answer

$$v=12 \mathrm{\ m} / \mathrm{s}$$

Work Step by Step

$\text{From Table 2-1}$ $x-x_{0}=v t-\frac{1}{2} a t^{2} \Rightarrow 27 \mathrm{m}-0=v(3.0 \mathrm{s})-\frac{1}{2}\left(2.0 \mathrm{m} / \mathrm{s}^{2}\right)(3.0 \mathrm{s})^{2}$ which leads to $v=12 \mathrm{m} / \mathrm{s}$
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