Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 1 - Equations and Inequalities - 1.4 Quadratic Equations - 1.4 Exercises: 71

Answer

$t = \sqrt {\frac{2s}{g} }$

Work Step by Step

$s = 0.5gt^2$ $2s = gt^2$ $\frac{2s}{g} = t^2$ $\sqrt {\frac{2s}{g} } = t$ $t = \sqrt {\frac{2s}{g} }$
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