document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=472865>Question 472865</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A glider lands 17 miles west and 9 miles south from where it took off. The result of the trip can be described by the vector (-17, -9). Use distance (for magnitude) and direction to describe this vector a second way.\r<BR>\n" );
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document.write( "a. about 19 miles at 28 degrees south of west<BR>\n" );
document.write( "b. about 28 miles at 19 degrees north of west<BR>\n" );
document.write( "c. about 19 miles at 28 degrees north of west<BR>\n" );
document.write( "d. about 28 miles at 19 degrees south of west </SPAN>\n" );
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document.write( "sqrt(17^2+9^2) = 19.24 miles<BR>\n" );
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document.write( "tan^-1(-9/-17) = 27.89 degrees in the 3rd Quadrant<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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