document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=200524>Question 200524</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the stiffness 'S' of a rectangular beam varies jointly as the width and the cube of the depth. if the stiffness is 90 when the width is 2 and the depth is 3, find the stiffness for a beam with a width of 5 and a depth of 2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #150753 by </B><A HREF=/tutors/aboutme.mpl?userid=vleith><B>vleith(2983)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=vleith><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=150753\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Given <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=S+=+Kwd%5E3 ALIGN=MIDDLE  ALT=\"S+=+Kwd%5E3\"   DISABLED_style= \"max-width:90%; height:auto;\" >; where K is some constant. First thing we need to do is get enough info to solve for K. Lucky for you, the problem provides that.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=90+=+K%2A2%2A3%5E3 ALIGN=MIDDLE  ALT=\"90+=+K%2A2%2A3%5E3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=90+=+K+%2A+54 ALIGN=MIDDLE  ALT=\"90+=+K+%2A+54\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=90%2F54+=+K ALIGN=MIDDLE  ALT=\"90%2F54+=+K\"   DISABLED_style= \"max-width:90%; height:auto;\" > So we know K now<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=S+=%2890wd%5E3%29%2F54 ALIGN=MIDDLE  ALT=\"S+=%2890wd%5E3%29%2F54\"   DISABLED_style= \"max-width:90%; height:auto;\" > Put K in the original equation\r<BR>\n" );
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document.write( "Now solve when w=5 and d=2<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=S+=%2890wd%5E3%29%2F54 ALIGN=MIDDLE  ALT=\"S+=%2890wd%5E3%29%2F54\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=S+=%2890%2A5%2A2%5E3%29%2F54 ALIGN=MIDDLE  ALT=\"S+=%2890%2A5%2A2%5E3%29%2F54\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=S+=+%2890%2A5%2A8%29%2F54 ALIGN=MIDDLE  ALT=\"S+=+%2890%2A5%2A8%29%2F54\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=S+=+66.667 ALIGN=MIDDLE  ALT=\"S+=+66.667\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );