document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1192812>Question 1192812</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A ball is thrown from 1 m above ground level. It's velocity is v(t) = 29.4-9.8t ms^-1. \r<BR>\n" );
document.write( "\n" );
document.write( "a. Find the displacement function s(t) (I found this: 29.4-4.9t^2+1\r<BR>\n" );
document.write( "\n" );
document.write( "b. Find the maximum height reached by the ball (need help in this). </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #824721 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=824721\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> s(t)=-4.9t^2+29.4t+1 (you need a \"t\" for the second term, since you are anti-differentiating 29.4 dt)<BR>\n" );
document.write( "the vertex for this negative quadratic is at -b/2a=-29.4/-9.8=3<BR>\n" );
document.write( "so it is at t=3 seconds.<BR>\n" );
document.write( "s(3)=88.2-44.1+1=45.1 m<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28300%2C300%2C-2%2C5%2C-20%2C50%2C45.1%2C-4.9x%5E2%2B29.4x%2B1%29 ALIGN=MIDDLE  ALT=\"graph%28300%2C300%2C-2%2C5%2C-20%2C50%2C45.1%2C-4.9x%5E2%2B29.4x%2B1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );