document.write( "Question 810159: John rows his canoe due east across a river at 5.5 miles per hour. If the river is flowing south at 4 miles per hour, find John’s direction. \n" ); document.write( "

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John rows his canoe due east across a river at 5.5 miles per hour. If the river is flowing south at 4 miles per hour, find John’s direction.
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\n" ); document.write( "His velocity is the vector addition of the 2 input vectors.
\n" ); document.write( "The angle = atan(4/5.5) =~ 36 degs from East
\n" ); document.write( "East is 090 degs
\n" ); document.write( "His direction is 126 degs, more or less southeast.
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