document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=878128>Question 878128</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a penny is dropped from the observation deck of the cn tower. its height, in meters, after t seconds, is given by the equation h=500-5t squared. How many seconds will it take the penny to hit the ground </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #529711 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=529711\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> h=500-5t^2<BR>\n" );
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document.write( "It hits the ground when h = 0<BR>\n" );
document.write( "500-5t^2 = 0<BR>\n" );
document.write( "Solve for t<BR>\n" );
document.write( "Ignore the negative value, if any.<BR>\n" );
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