document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=559179>Question 559179</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a vollyball player hits a ball and it goes straight up into the air with an initial velocity of 16 feet per second from an initial height of 4 feet. find the function that describes the height of the ball in terms of the t and determine the time at which the ball reaches its maximum height. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #363324 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=363324\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a vollyball player hits a ball and it goes straight up into the air with an initial velocity of 16 feet per second from an initial height of 4 feet. find the function that describes the height of the ball in terms of the t and determine the time at which the ball reaches its maximum height.<BR>\n" );
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document.write( "h(t) = -16t^2+16t + 4<BR>\n" );
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document.write( "Max height occurs when x = -b/(2a) = -16/(2*-16) = 1/2<BR>\n" );
document.write( "Max height = h(1/2) = -16(1/4)+16(1/2)+4 = 8 ft<BR>\n" );
document.write( "============<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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