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Algebra
Question

(Modeling) Height of a Projectile A projectile is...

(Modeling) Height of a Projectile A projectile is fired straight up from ground level. After \(t\) seconds its height \(s\) , in feet above the ground, is given by \(s = - 16 t ^ { 2 } + 220 t\)

Answer

\(6.25 sec \text { and } 7.5 sec\)

Solution
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