309fc56d-b626-4d3a-8997-5a681927c2e3

309fc56d-b626-4d3a-8997-5a681927c2e3 - OPERATIONS WITH...

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OPERATIONS WITH VECTORS 1) Let () u = 92 , and v = 39 , . Find u v . A) 45 B) 23 C) 12 11 , D) 27 18 , E) 132 2) Let u = 901 ,, and v = 999 . Find u v →→ × . A) 81 0 9 B) −− 97 2 8 1 C) 90 D) 97281 E) 99 0 8 1 3) If u = 110 and wjk →→→ =+ , then the vector v in the figure below is: A) 1 2 1 2 0 B) 0 2 3 2 3 C) 2 3 1 2 0 D) 0 1 2 1 2 E) 2 3 0 1 2 4) In which of the following diagrams do the vectors satisfy abc →→→ → + + = 0 ? A) B) C) D) E) 5) Which of the following statements is INCORRECT for arbitrary non–zero vectors a , b and c ? A) proj b b a 0 B) abc bc a →→ → ×+ × C) −= a a 1 D) ab = 0 if E) ab ab a b + =− 22
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6) Consider the diagram below with OA OB ⎯→ ⎯⎯ == 5 , OM = 3 and AB is parallel to the x –axis.
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309fc56d-b626-4d3a-8997-5a681927c2e3 - OPERATIONS WITH...

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