document.write( "Question 4270: The formula for the height s reached by a rocket fired straight up from the ground with a velocity of 96 feet per second is h = -16t^2 + 96t. Find the height reached after 1.5 seconds. \n" ); document.write( "
Algebra.Com's Answer #1926 by Earlsdon(6294)\"\" \"About 
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This problem is solved by simple substitution.
\n" ); document.write( " Substitute t = 1.5 seconds for every ocurrence of t in the formula.\r
\n" ); document.write( "\n" ); document.write( "h = -16(1.5)^2 + 96(1.5)
\n" ); document.write( "h = -36 + 144
\n" ); document.write( "h = 108 feet.
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