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Back to 9.6 Solve Equations with Square Roots

9.6 Exercise 92

Avg difficulty 2.5

Solve. Round approximations to one decimal place.

Gravity A construction worker dropped a hammer while building the Grand Canyon skywalk, 4000 feet above the Colorado River. Use the formula t=h4t = \frac{\sqrt{h}}{4} to find how many seconds it took for the hammer to reach the river.

OpenStax Elementary Algebra 2e, 9.6 Solve Equations with Square Roots, exercise 92

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Adapted from Elementary Algebra 2e © 2020 Rice University. Licensed under CC BY 4.0. Source: Elementary Algebra 2e. Imported at revision 77a933c.