document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=83206>Question 83206</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Apply the formulas for motion due to gravitational attraction.\r<BR>\n" );
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document.write( " A stone is dropped from the top of a building 240 feet high. It is observed to take 0.20 seconds to go past an office floor-to-ceiling window that is 12 feet high. How far is it from the bottom of the window down to the street?<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 #59733 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=59733\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A stone is dropped from the top of a building 240 feet high. It is observed to take 0.20 seconds to go past an office floor-to-ceiling window that is 12 feet high. How far is it from the bottom of the window down to the street?<BR>\n" );
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document.write( "S(t) = -16t^2+240<BR>\n" );
document.write( "Velocity = -32t ft/sec<BR>\n" );
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document.write( "Velocity of the stone while passing the window:<BR>\n" );
document.write( "-12ft/0.2 sec = -60 ft/sec<BR>\n" );
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document.write( "Therefore:<BR>\n" );
document.write( "-32t =-60 <BR>\n" );
document.write( "t= 1.875 seconds<BR>\n" );
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document.write( "So, where is the stone at t=1.875 sec ?<BR>\n" );
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document.write( "s(1.875) = -32(1.875)^2+240<BR>\n" );
document.write( "s(1.875) = 127.5 ft above the ground<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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