document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1044713>Question 1044713</A>: <I><SPAN STYLE=\"word-break: break-all;\"> CALCULUS(MAXIMA AND MINIMA): A rectangular trough is 3m wide and 15m long.water flows in at the rate of 3m^3/min.how fast is the surface rising?\r<BR>\n" );
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document.write( "*show the illustration </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #660064 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=660064\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A rectangular trough is 3m wide and 15m long. water flows in at the rate of 3m^3/min. how fast is the surface rising? <BR>\n" );
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document.write( "The cross-section is constant --> rate of rise is constant.<BR>\n" );
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document.write( "Vol = L*W*H = 15*3*H = 45H<BR>\n" );
document.write( "dV/dt = 45*(dH/dt) = 3<BR>\n" );
document.write( "dH/dt = 1/15 m/minute<BR>\n" );
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document.write( "Not really a calculus problem.<BR>\n" );
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