traight upwa ground lev ) At what instant will it be back at ground X sec ) When will the height exceed 768 feet? (

Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter48: Applications Of Formulas To Spur Gears
Section: Chapter Questions
Problem 1A
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A projectile is fired straight upward from ground level with an initial velocity of 224 feet per second.
(a) At what instant will it be back at ground level?
X sec
(b) When will the height exceed 768 feet? (Enter your answer using interval notation.)
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Transcribed Image Text:A projectile is fired straight upward from ground level with an initial velocity of 224 feet per second. (a) At what instant will it be back at ground level? X sec (b) When will the height exceed 768 feet? (Enter your answer using interval notation.) Submit Answer Type here to search Ps 米 f4 IOI fs 、画 f6 10 %23 3 4 7 W R A D. H. 近 LO %24 2.
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