document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=683725>Question 683725</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi guys, the last question I put up had such a fantastic response, it'd be great if you could help me out with one more. Word problems really confuse me.\r<BR>\n" );
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document.write( "The energy in Joules (j) of a particle varies directly with the square of it's speed, in m s ^-1. A particle moving at 20 m s ^-1 has 50J of energy.\r<BR>\n" );
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document.write( "a) How much energy has a paricle moving at 4ms^-1?<BR>\n" );
document.write( "b) At what speeed is a particle moving if it has 200J of energy?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #423690 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=423690\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If it's a direct variation, I can say<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+20+%2F+50+ ALIGN=MIDDLE  ALT=\"+20+%2F+50+\"   DISABLED_style= \"max-width:90%; height:auto;\" > ( m/s ) / J is a constant<BR>\n" );
document.write( "(a)<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2%2F5+=+4%2FE+ ALIGN=MIDDLE  ALT=\"+2%2F5+=+4%2FE+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2E+=+20+ ALIGN=MIDDLE  ALT=\"+2E+=+20+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+E+=+10+ ALIGN=MIDDLE  ALT=\"+E+=+10+\"   DISABLED_style= \"max-width:90%; height:auto;\" > J<BR>\n" );
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document.write( "(b)<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2%2F5+=+s+%2F+200+ ALIGN=MIDDLE  ALT=\"+2%2F5+=+s+%2F+200+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+400+=+5s+ ALIGN=MIDDLE  ALT=\"+400+=+5s+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+s+=+80+ ALIGN=MIDDLE  ALT=\"+s+=+80+\"   DISABLED_style= \"max-width:90%; height:auto;\" > m/sec\r<BR>\n" );
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