Unit 5: Cartesian and Geometric Vectors

Part 4: Application [10 marks] 21. lf' and 13 are collinear and the magnitude of ii is 7 times the magnitude of 1?, write an expression that represents the sum of 11' and 13. [2 marks] 22. Determine the area of M36 with vertices A(2, 1,4), 3(3, 1, 1), and C(1, 0, 2). [4 marks] 23. A ship is on a heading of 040 at 20 knots and a 2 knot current is flowing from 010. Determine the resultant velocity of the ship to 1 decimal place. [4 marks]