document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=840522>Question 840522</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An object is projected vertically upward from the top of a building with an initial velocity of 96 ft/sec. Its distance s(t) in feet above the ground after t seconds is given by the equation<BR>\n" );
document.write( "s(t) = &#8722;16t2 + 96t + 120.<BR>\n" );
document.write( "(a) Find its maximum distance above the ground.<BR>\n" );
document.write( "s(t) = ft\r<BR>\n" );
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document.write( "(b) Find the height of the building. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #728981 by </B><A HREF=/tutors/aboutme.mpl?userid=amalm06><B>amalm06(224)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=amalm06><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=amalm06><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=728981\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The velocity of the object is given by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=v%28t%29=-32t%2B96 ALIGN=MIDDLE  ALT=\"v%28t%29=-32t%2B96\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "The maximum distance above the ground occurs when the velocity of the ball is 0.\r<BR>\n" );
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document.write( "-32t+96=0, therefore t=3. The object reaches its maximum height after 3 s.\r<BR>\n" );
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document.write( "a)<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+s%283%29=%28-16%29%289%29%2B288%2B120=264+ft ALIGN=MIDDLE  ALT=\"+s%283%29=%28-16%29%289%29%2B288%2B120=264+ft\"   DISABLED_style= \"max-width:90%; height:auto;\" > (Answer)\r<BR>\n" );
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document.write( "For b), the ball is at the top of the building at time t=0.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=s%280%29=0%2B0%2B120=120+ft ALIGN=MIDDLE  ALT=\"s%280%29=0%2B0%2B120=120+ft\"   DISABLED_style= \"max-width:90%; height:auto;\" > (Answer)  </SPAN>\n" );
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