Answered: A ball is projected upward from the…

A ball is projected upward from the ground. Its distance in feet from the ground in t seconds is given by s(t)=−16t2+128t. At what times will the ball be 221 feet from the ground?

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter2: Equations And Inequalities

Section: Chapter Questions

Problem 6T

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Question

A ball is projected upward from the ground. Its distance in feet from the ground in t seconds is given by s(t)=−16t2+128t. At what times will the ball be 221 feet from the ground?

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