document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=982544>Question 982544</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A point moves so that its displacement s is given by s=16+48t-t^3, when and where will it stop and reverse its direction of motion? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #603343 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=603343\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A point moves so that its displacement s is given by s=16+48t-t^3, when and where will it stop and reverse its direction of motion?<BR>\n" );
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document.write( "Assuming t >= 0<BR>\n" );
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document.write( "s=16+48t-t^3<BR>\n" );
document.write( "s'(t) = 48 - 3t^2 = 0<BR>\n" );
document.write( "t^2 = 16<BR>\n" );
document.write( "t = 4 </SPAN>\n" );
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