Answer
7.84 seconds
Work Step by Step
Find the time required to travel to the ground where (height) s=0
$-16t^2+984=0$
$t^2=984/16=123/2$
$t=\sqrt {\frac{123}{2}}\approx 7.84$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 1 - 1.4 - Quadratic Equations and Applications - 1.4 Exercises - Page 112: 111c
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
