document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=700119>Question 700119</A>: <I><SPAN STYLE=\"word-break: break-all;\"> if you drop a stone into a well, it takes 6 seconds until you hear the splash.  How deep is the well? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #431685 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=431685\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> if you drop a stone into a well, it takes 6 seconds until you hear the splash.  How deep is the well?<BR>\n" );
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document.write( "The speed of sound is very small compared to the time taken to hit the surface of the water.  Since you didn't spec a temperature of the ambient air or any equation to use for the time for the sound to travel:<BR>\n" );
document.write( "s = -16t^2 = -16*36 = -576 feet<BR>\n" );
document.write( "s = -4.9t^2 = -4.9*36 = -176.4 meters<BR>\n" );
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