document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=227698>Question 227698</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What is the speed of a 2.5-kilogram mass after it has fallen freely from rest through a distance of 12 meters?\r<BR>\n" );
document.write( "\n" );
document.write( "4.8 m/s<BR>\n" );
document.write( "15 m/s<BR>\n" );
document.write( "30. m/s<BR>\n" );
document.write( "43 m/s<BR>\n" );
document.write( " \r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #169162 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=169162\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the magnitude of the mass has no effect (remember Galileo!!...)\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "time = velocity / acceleration\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "distance = 1/2 * acceleration * (time)^2\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "substituting ___ distance = 1/2 * (velocity)^2 / acceleration\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "sqrt(2 * acceleration * distance) = velocity\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "sqrt(2 * 9.8 * 12) = v ___ 15 = v </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );