document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=102472>Question 102472</A>: <I><SPAN STYLE=\"word-break: break-all;\"> You shoot an arrow straight up at 50 m/s. When will it run out of speed?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #74475 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=74475\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You shoot an arrow straight up at 50 m/s. When will it run out of speed?<BR>\n" );
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document.write( "h(t) = -16y^2+50t<BR>\n" );
document.write( "It will \"run out of steam\" when it's height is maximum.<BR>\n" );
document.write( "That occurs when t = -b/2a = -50/[2(-16)] = 50/32 = 1.563 seconds<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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