A ball is thrown from an initial height of 5 feet with an initial upward velocity of 21 ft/s. The ball's height h (in feet) after t seconds is given by the following. h= 5+21t-161 Find all values of t for which the ball's height is 11 feet. Round your answer(s) to the nearest hundredth. (If there is more than one answer, use the "or" button.) t = -||seconds O or O ? initial height ground

A ball is thrown from an initial height of 5 feet with an initial upward velocity of 21 ft/s. The ball's height h (in feet) after t seconds is given by the following. h= 5+21t-161 Find all values of t for which the ball's height is 11 feet. Round your answer(s) to the nearest hundredth. (If there is more than one answer, use the "or" button.) t = -||seconds O or O ? initial height ground

Elementary Algebra

17th Edition

ISBN:9780998625713

Author:Lynn Marecek, MaryAnne Anthony-Smith

Publisher:Lynn Marecek, MaryAnne Anthony-Smith

Chapter10: Quadratic Equations

Section10.4: Solve Applications Modeled By Quadratic Equations

Problem 159E: A bullet is fired straight up from a BB gun with initial velocity 1120 feet per second at an initial...

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