document.write( "Question 1117547: In the equation h(t)=16t^2+115t+15 if a rocket is launched from a platform where h=height and t=time, what is the height of the platform? \n" ); document.write( "

Algebra.Com's Answer #732661 by solver91311(24713) $\"\"$ $\"About$

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\n" ); document.write( "\n" ); document.write( "You have written the height function incorrectly.

is the magnitude of the acceleration due to gravity, but acceleration due to gravity is in the direction of the center of the earth, so unless you are shooting the rocket straight down into the ground, the function that gives height in feet as a function of time in seconds is:\r
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\n" ); document.write( "\n" ); document.write( "Where

is the initial velocity of the projectile and

is the initial height of the projectile. \r
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\n" ); document.write( "\n" ); document.write( "John
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\n" ); document.write( "My calculator said it, I believe it, that settles it
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