document.write( "Question 1056800: A rocket is launched vertically such that its distance s (ft) from the ground at any time t (seconds) is given by s(t) = -16t^2 + 640t. How high will the rocket travel before falling back to the ground? (This is an application of derivatives) \n" ); document.write( "
Algebra.Com's Answer #671866 by ikleyn(52781)\"\" \"About 
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\n" ); document.write( "For similar solved problems see the lessons\r
\n" ); document.write( "\n" ); document.write( "    - Problem on an arrow shot vertically upward\r
\n" ); document.write( "\n" ); document.write( "    - Problem on a ball thrown vertically up from the top of a tower \r
\n" ); document.write( "\n" ); document.write( "in this site.\r
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