document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=339928>Question 339928</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A ball is thrown straight upward at an initial speed 	of 	149	feet per second.\r<BR>\n" );
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document.write( "h=-16&#8290;t2+149&#8290;t\r<BR>\n" );
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document.write( "When does the ball reach the highest point? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #243609 by </B><A HREF=/tutors/aboutme.mpl?userid=solver91311><B>solver91311(24713)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=solver91311><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=solver91311><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=243609\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font face=\"Garamond\" size=\"+2\">\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ h(t)\ =\ -16t^2\ +\ 149t\">\r<BR>\n" );
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document.write( "is only true if the ball was launched from the ground at 149 feet per second initial velocity.  Typically when you throw something upward, the ball is above the ground by a distance that is in proportion to the thrower's height.\r<BR>\n" );
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document.write( "Be that as it may, the function describes a parabola opening downward.  The maximum height is reached at the value of <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large t\"> for the vertex of the parabola.  Use <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large \frac{-b}{2a}\"> where <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large b\ = 149\"> and <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large a\ =\ -16\">\r<BR>\n" );
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document.write( "By the way, 149 feet per second is roughly 101.5 miles per hour, very close to the top speed of a pitched baseball.  Find me the guy who can throw a ball straight up at that velocity.\r<BR>\n" );
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document.write( "John<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE e^{i\pi} + 1 = 0\"><BR>\n" );
document.write( "My calculator said it, I believe it, that settles it<BR>\n" );
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