document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=216616>Question 216616</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If a plane is flying at an altitude of 500m and the bottle lands 400m horizontally from the initial dropping point, how fast was the plane flying when the bottle was released.\r<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 #163556 by </B><A HREF=/tutors/aboutme.mpl?userid=RAY100><B>RAY100(1637)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=RAY100><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=163556\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The  vertical  drop  is  only  related  to  the  height  and  gravity by,<BR>\n" );
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document.write( "d= 1/2 gt^2,,,,where  d=distance (m),,,g=9.81 (m / sec^2),,,  and  t=time (sec)<BR>\n" );
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document.write( "500 m = 1/2 *9.81 *t^2<BR>\n" );
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document.write( "500*2/9.81 = 101.936 sec^2 = t^2<BR>\n" );
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document.write( "10.0964 sec = t,,,,<BR>\n" );
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document.write( "the  velocity  of  the  plane  in  that  time  is  distance  / time<BR>\n" );
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document.write( "v=d/t = 400/10.0964 = 39.618  m/sec<BR>\n" );
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