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

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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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

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