document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1083867>Question 1083867</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The equation y=-4.9t^2+3.5t+5 describes the height (in meters) of a ball thrown upward at $3.5$ meters per second from $5$ meters above the ground. In how many seconds will the ball hit the ground? Express your answer as a common fraction. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #697917 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=697917\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> y=-4.9t^2+3.5t+5<BR>\n" );
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document.write( "It hits the ground when y = 0<BR>\n" );
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document.write( "-4.9t^2+3.5t+5 = 0<BR>\n" );
document.write( "Solve for t.<BR>\n" );
document.write( "Ignore the negative solution.\r<BR>\n" );
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