document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1087296>Question 1087296</A>: <I><SPAN STYLE=\"word-break: break-all;\">  An object is 2,722 ft high. How long will it take it<BR>\n" );
document.write( "falling freely, to reach the ground? Use the formula s = 16t2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #701560 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=701560\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font color=\"black\" face=\"times\" size=\"3\">Assuming there isn't any wind resistance, the answer is about <font color=red>13.043197 seconds</font>\r<BR>\n" );
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document.write( "See below on how I got that value.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=s+=+16t%5E2 ALIGN=MIDDLE  ALT=\"s+=+16t%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2722+=+16t%5E2 ALIGN=MIDDLE  ALT=\"2722+=+16t%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > Replace 's' with the given height. The goal is to solve for t\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2722%2F16+=+%2816t%5E2%29%2F16 ALIGN=MIDDLE  ALT=\"2722%2F16+=+%2816t%5E2%29%2F16\"   DISABLED_style= \"max-width:90%; height:auto;\" > Divide both sides by 16\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=170.125+=+t%5E2 ALIGN=MIDDLE  ALT=\"170.125+=+t%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%5E2+=+170.125 ALIGN=MIDDLE  ALT=\"t%5E2+=+170.125\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%28t%5E2%29+=+sqrt%28170.125%29 ALIGN=MIDDLE  ALT=\"sqrt%28t%5E2%29+=+sqrt%28170.125%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Apply the square root to both sides\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+sqrt%28170.125%29 ALIGN=MIDDLE  ALT=\"t+=+sqrt%28170.125%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Keep in mind that negative t values make no sense, so <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+%3E=+0 ALIGN=MIDDLE  ALT=\"t+%3E=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+13.0431974607456 ALIGN=MIDDLE  ALT=\"t+=+13.0431974607456\"   DISABLED_style= \"max-width:90%; height:auto;\" > Use a calculator to compute the square root\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+13.043197 ALIGN=MIDDLE  ALT=\"t+=+13.043197\"   DISABLED_style= \"max-width:90%; height:auto;\" > I'm deciding to round to 6 decimal places. You can round to whatever you want depending on your teacher's preference.\r<BR>\n" );
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document.write( "Side Note: this is assuming that there is no wind or air resistance. The object would have to be in a vacuum for this solution to make sense. Of course, such a scenario is very unlikely. The teacher is opting to ignore air resistance because that topic involves much more complicated math. </font> </SPAN>\n" );
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