Suppose that u is a vector pointing north- west with u u= 12. Which of the following vectors is equal to u written in Cartesian form? (Here the unit vector x points towards the east and the unit vector y points north.)* O -12i+ 12) O 6x - 6y O -6 x +6 y O 12 x+ 12 y O None of the above
Suppose that u is a vector pointing north- west with u u= 12. Which of the following vectors is equal to u written in Cartesian form? (Here the unit vector x points towards the east and the unit vector y points north.)* O -12i+ 12) O 6x - 6y O -6 x +6 y O 12 x+ 12 y O None of the above
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Transcribed Image Text:Suppose that u is a vector pointing north-
west with u · u = 12. Which of the following
vectors is equal to u written in Cartesian
form? (Here the unit vector x points
towards the east and the unit vector y
points north.)*
O -12i+ 12)
6 x - 6 y
O -6 x+ 6 y
12 x + 12 y
O None of the above
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