document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=720500>Question 720500</A>: <I><SPAN STYLE=\"word-break: break-all;\"> if you drop an object off the roof of an apartment building that is 240 feet tall, about how long will it take the object to 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 #441941 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=441941\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> if you drop an object off the roof of an apartment building that is 240 feet tall, about how long will it take the object to hit the ground?<BR>\n" );
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document.write( "s = 16t^2 is commonly used for acceleration on Earth due to gravity (in feet)<BR>\n" );
document.write( "240 = 16t^2<BR>\n" );
document.write( "t^2 = 15<BR>\n" );
document.write( "t = sqrt(15) seconds<BR>\n" );
document.write( "=~ 3.873 seconds\r<BR>\n" );
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