document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=805260>Question 805260</A>: <I><SPAN STYLE=\"word-break: break-all;\"> determine the maximum height the ball reaches if thrown on Earth. <BR>\n" );
document.write( "h(t)=25t-.5*t^2<BR>\n" );
document.write( "gravitational acceleration on Earth is 9.8m/s^2. <BR>\n" );
document.write( "slove the same thing but on the moon too. <BR>\n" );
document.write( "gravitational acceleration on the moon is 1.6m/s^2  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #485155 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=485155\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> determine the maximum height the ball reaches if thrown on Earth. <BR>\n" );
document.write( "h(t)=25t-.5*t^2<BR>\n" );
document.write( "gravitational acceleration on Earth is 9.8m/s^2.<BR>\n" );
document.write( "If you use 9.8m/sec^2, then<BR>\n" );
document.write( "h(t) = -4.9t^2 + 25t, not .5 or 5<BR>\n" );
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document.write( "Max ht is at the vertex of the parabola.<BR>\n" );
document.write( "t = -b/2a = -25/-9.8<BR>\n" );
document.write( "t =~ 2.551 seconds<BR>\n" );
document.write( "h(2.551) =~31.888 meters<BR>\n" );
document.write( "-----------<BR>\n" );
document.write( "slove the same thing but on the moon too. <BR>\n" );
document.write( "--------<BR>\n" );
document.write( "gravitational acceleration on the moon is 1.6m/s^2 <BR>\n" );
document.write( "You do that one.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );