Answer
Please see the work below.
Work Step by Step
We can find the required speed as follows
$v=g(\frac{t}{2})$
We plug in the known values to obtain:
$v=9.8(\frac{1.0}{2})$
$v=4.9\frac{m}{s}$
Essential University Physics: Volume 1 (3rd Edition)
by Wolfson, Richard
Published by
Pearson
ISBN 10:
0321993721
ISBN 13:
978-0-32199-372-4
Chapter 2 - Exercises and Problems - Page 30: 66
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