document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=976441>Question 976441</A>: <I><SPAN STYLE=\"word-break: break-all;\"> using the integral calculus to solve a simple engineering question,\r<BR>\n" );
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document.write( "a missile is accelerating at a rate of 6 t m/sec^2 from a position at rest in a silo 40m above ground level. how high above the ground will it be after 4 seconds </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #598014 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=598014\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a missile is accelerating at a rate of 6t m/sec^2 from a position at rest in a silo 40m above ground level. how high above the ground will it be after 4 seconds<BR>\n" );
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document.write( "40 meters above ground?  Most are below ground.<BR>\n" );
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document.write( "Accel = 1st derivative of speed = 2nd derivative of displacement.<BR>\n" );
document.write( "a = 6t  (assuming t is time in seconds)<BR>\n" );
document.write( "Using its starting height as zero at t = 0:<BR>\n" );
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document.write( "INT(6t) = 3t^2 + C<BR>\n" );
document.write( "C = 0<BR>\n" );
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document.write( "INT(3t^2) = t^3 + C<BR>\n" );
document.write( "Again, C = 0<BR>\n" );
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document.write( "s = t^3<BR>\n" );
document.write( "At t = 4, s = 64 meters<BR>\n" );
document.write( "Add or subtract the 40 meters<BR>\n" );
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