document.write( "Question 1088660: A projectile is fired vertically upward and its height s(t) in feet after t seconds is given by the function defined by s(t) = -16t^2 + 800t + 600. After how many seconds will the projectile be 5000 ft above the ground? \n" ); document.write( "

Algebra.Com's Answer #703037 by Alan3354(69443) $\"\"$ $\"About$

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s(t) = -16t^2 + 800t + 600. After how many seconds will the projectile be 5000 ft above the ground?
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\n" ); document.write( "s(t) = -16t^2 + 800t + 600 = 5000
\n" ); document.write( "-16t^2 + 800t + 600 = 5000
\n" ); document.write( "Solve the quadratic for t.
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