document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1163768>Question 1163768</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Josey drops a rock off a 100 meter cliff.<BR>\n" );
document.write( "a) How long will it take for the rock to reach the ground?<BR>\n" );
document.write( "b) What will be the impact velocity of the rock? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #787972 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=787972\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> s=(1/2)at^2<BR>\n" );
document.write( "s(m)=(1/2)(9.8m^2/sec^2)*t^2 (sec^2)<BR>\n" );
document.write( "200/9.8=t^2=20.41<BR>\n" );
document.write( "t=sqrt(20.41)=4.52 seconds<BR>\n" );
document.write( "v=sqrt(2gh)=sqrt(2*9.8 m/sec^2*100m) units are going to be m/sec<BR>\n" );
document.write( "v=44.27 m/sec\r<BR>\n" );
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