document.write( "Question 411053: when a ball is thrown up into the air it makes a shape of a parabola the equation s=-16t^2+v*t+k gives the height of the ball at any time, t in seconds where v is the initial velocity speed in ft/sec and k is the initial height in feet as if you were on top of a tower or building make a scenario where a ball is thrown,shot,etc into the air. you can choose any initial velocity in ft/sec and any initial height in feet the ball but include them in your scenario \n" ); document.write( "

Algebra.Com's Answer #289042 by ankor@dixie-net.com(22740) $\"\"$ $\"About$

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when a ball is thrown up into the air it makes a shape of a parabola the equation
\n" ); document.write( " s=-16t^2+v*t+k gives the height of the ball at any time, t in seconds where v is
\n" ); document.write( " the initial velocity speed in ft/sec and k is the initial height in feet as if
\n" ); document.write( " you were on top of a tower or building make a scenario where a ball is thrown, shot,etc into the air.
\n" ); document.write( " you can choose any initial velocity in ft/sec and any initial height in feet the ball but include them in your scenario
\n" ); document.write( ":
\n" ); document.write( "Let v = 32 ft/sec speed of the the thrown ball upward
\n" ); document.write( "Let k = 128 ft, height of building
\n" ); document.write( ":
\n" ); document.write( "s = -16t^2 + 32t + 128
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\n" ); document.write( "Graphically
\n" ); document.write( " $\"+graph%28+300%2C+200%2C+-3%2C+6%2C+-50%2C+180%2C+-16x%5E2%2B32x%2B128%29+\"$
\n" ); document.write( ":
\n" ); document.write( "max height at 1 sec, hits the ground in 4 sec
\n" ); document.write( " \n" ); document.write( "

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