Answer
See below
Work Step by Step
Given: $t_1=0.81\\t_2=1.12$
Obtain $t=0.5\sqrt h$
From part a, $4t^2=h$
For $2t_1:h=4(2t_1)^2=4(2\times0.81)^2\approx10.5$ feet
For $2t_2:h=4(2t_2)^2=4(1.12)^2=20.07$ feet
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 6 Rational Exponents and Radical Functions - 6.6 Solve Radical Equations - 6.6 Exercises - Problem Solving - Page 458: 60b
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