document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1201410>Question 1201410</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In still water, Maria can paddle at the rate of 7 km/h. The current in which she paddles has a speed of 4 km/h\r<BR>\n" );
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document.write( "a. At what velocity does she travel downstream? \r<BR>\n" );
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document.write( "b. Using vectors, draw a diagram that illustrates her velocity going downstream. \r<BR>\n" );
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document.write( "c. If Maria changes her direction and heads upstream instead, what is her speed? Using vectors, draw a diagram that illustrates her velocity going upstream.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #835762 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52781)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=835762\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
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document.write( "(a) The effective downstream velocity is the sum        7 + 4 = 11 km/h  (relative to the banks of the river).\r\n" );
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document.write( "(c) The effective upstream   velocity is the difference 7 - 4 = 3 km/h  (relative to the banks of the river).\r\n" );
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document.write( "Do the rest on your own.\r<BR>\n" );
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document.write( "To make illustrations / diagrams, use a pen (or a pencil) and a paper.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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