document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1024390>Question 1024390</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A ball is thrown toward from a height of 15ft. With an inital upward velocity of 5ft/s. Use the forumula h(t)=-16t^2+vt+s to find out how long it will take for the ball to hit the ground.  thank you </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #639828 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=639828\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A ball is thrown toward from a height of 15ft. With an inital upward velocity of 5ft/s. Use the forumula h(t)=-16t^2+vt+s to find out how long it will take for the ball to hit the ground. <BR>\n" );
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document.write( "I think you mean thrown upward.<BR>\n" );
document.write( "h(t)=-16t^2+vt+s<BR>\n" );
document.write( "h(t)=-16t^2 + 5t + 15<BR>\n" );
document.write( "At impact, h(t) = 0<BR>\n" );
document.write( "-16t^2 + 5t + 15 = 0<BR>\n" );
document.write( "Solve for t, ignore the negative solution.\r<BR>\n" );
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