Question: 11. ANS: A PTS: 1 DIF: 2 REF: Knowledge and Understanding; Application OBJ: Section 7.1 LOC: C2.3 TOP: Geometry and Algebra of Vectors KEY: velocity

11. ANS: A PTS: 1 DIF: 2 REF: Knowledge and Understanding; Application OBJ: Section 7.1 LOC: C2.3 TOP: Geometry and Algebra of Vectors

KEY: velocity 12. ANS: B PTS: 1 DIF: 1 REF: Knowledge and

Understanding; Application OBJ: Section 7.5 LOC: C2.6 TOP: Geometry and Algebra of

11. ANS: A PTS: 1 DIF: 2 REF: Knowledge and Understanding; Application OBJ: Section 7.1 LOC: C2.3 TOP: Geometry and Algebra of Vectors KEY: velocity 12. ANS: B PTS: 1 DIF: 1 REF: Knowledge and Understanding; Application OBJ: Section 7.5 LOC: C2.6 TOP: Geometry and Algebra of Vectors KEY: cross product1 1. A ship is on a heading of 050 at 30 knots. Write this velocity as a Cartesian vector. a. [22.98, 19.28] C. [30, 30] b. [19.28, 22.98] d. [50, 30] 12. If a =[ 5, -2, 4] and b = [0, 2, -3], find a xb. a. -16 C. 48 b. [-2, 15, 10] d. [-2, -15, 10]

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