document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=795557>Question 795557</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A baseball is thrown straight upward with an initial speed 64ft/sec. The number of feet, s, above the ground after t seconds is given by the equation, s=-16t^2+64t.\r<BR>\n" );
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document.write( "a)When will the baseball be 48 ft above the ground?<BR>\n" );
document.write( "b)When will it hit the ground?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #481052 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=481052\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> s=-16t^2+64t.\r<BR>\n" );
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document.write( "a)When will the baseball be 48 ft above the ground?<BR>\n" );
document.write( "s=-16t^2+64t = 48<BR>\n" );
document.write( "Solve for t<BR>\n" );
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document.write( "b)When will it hit the ground?<BR>\n" );
document.write( "s=-16t^2+64t = 0<BR>\n" );
document.write( "Solve for t<BR>\n" );
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