Answer
$849~m/s$
Work Step by Step
We can determine the required initial velocity as follows:
$v_i=\sqrt{2gh_{max}}$
We plug in the known values to obtain:
$v_i=\sqrt{2(1.8m/s^2)(2.0\times 10^5m)}$
$v_i=849m/s$
Physics Technology Update (4th Edition)
by Walker, James S.
Published by
Pearson
ISBN 10:
0-32190-308-0
ISBN 13:
978-0-32190-308-2
Chapter 2 - One-Dimensional Kinematics - Problems and Conceptual Exercises - Page 53: 76
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