document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=756178>Question 756178</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How fast would a ball have to be thrown upward to reach a maximum height of 121 ft? [Hint: Use the discriminant of the equation 16t2 &#8722; v0t + h = 0.] </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #460032 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=460032\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How fast would a ball have to be thrown upward to reach a maximum height of 121 ft?<BR>\n" );
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document.write( "It's the speed the ball would reach if dropped from 121 feet<BR>\n" );
document.write( "find the time:<BR>\n" );
document.write( "121 = 16t^2<BR>\n" );
document.write( "t = 11/4 seconds<BR>\n" );
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document.write( "v = at<BR>\n" );
document.write( "v = 32*(11/4)<BR>\n" );
document.write( "v = 88 ft/sec<BR>\n" );
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