document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1165015>Question 1165015</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A motorboat heads straight across a river in the x-direction at 16m/s. The river flows downstream at 9.0m/s in the y direction.\r<BR>\n" );
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document.write( "a) what is the total velocity of the boat (speed and direction) answer: 18.36m/s, 29.36 degrees below x-axis<BR>\n" );
document.write( "b) if the river is 136 m wide, how long does it take the motorboat to reach the other side (8.5s)<BR>\n" );
document.write( "c) how far downstream is the boat when it reaches the other side of the river (76.5m)<BR>\n" );
document.write( "could you show me the approach, prob create a table with all the x values and y values and solve from there >> thanksss </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #789490 by </B><A HREF=/tutors/aboutme.mpl?userid=solver91311><B>solver91311(24713)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=solver91311><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=solver91311><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=789490\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font face=\"Times New Roman\" size=\"+2\">\r<BR>\n" );
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document.write( "Resultant velocity magnitude:  <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large \sqrt{(-9)^2\,+\,16^2}\">\r<BR>\n" );
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document.write( "Resultant velocity direction: <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large \arctan\(\frac{-9}{16}\)\">  you can represent this as an angle in the range <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large 270^\circ\ <\ \theta\ <\ 360^\circ\"> or <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large -90^\circ\ <\ \theta\ <\ 0^\circ\">\r<BR>\n" );
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document.write( "Time to reach the other side:  Divide the distance across by the magnitude of horizontal component of the velocity.\r<BR>\n" );
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document.write( "Distance downstream:  Multiply the time value from the previous part by the magnitude of the downstream component of the velocity\r<BR>\n" );
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document.write( "John<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE e^{i\pi}\ +\ 1\ =\ 0\"><BR>\n" );
document.write( "My calculator said it, I believe it, that settles it<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large \ \\r\"> </SPAN>\n" );
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