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: 40

Answer

Please see the work below.

Work Step by Step

We know that (a) $h=\frac{v^2}{2g}$ We plug in the known values to obtain: $h=\frac{(23)^2}{(2)(9.8)}$ $h=27m$ (b)$t=\frac{v_f-v_i}{-g}$ We plug in the known values to obtain: $t=\frac{(-23)-(23)}{-9.8}$ $t=4.7s$
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