# Find {image} and the angle between u and v to the nearest ...

1. 25% 25% 25% 25% 2. 3. 4. 1 2 3 4 5 6 7 8 9 10 11 12 13 1 14 15 2 16 17 3 18 19 4 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 True or False: The given vectors are orthogonal. u = < -3, 1 > , v = < -2, 4 > 50%

1. True 2. False 1 50% 2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 25% 25% 25% 25% 1. 2. 3. 4. 32 37 33

36 1 2 3 4 5 6 7 8 9 10 11 12 13 1 14 15 2 16 17 3 18 19 4 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 Find the component of u along v. u = -1 i + 3 j , v = -2 i + 7 j Choose the correct answer from the following. 1. 2. 3. 4.

25% 25% 25% 25% 1 2 3 4 5 6 7 8 9 10 11 12 13 1 14 15 2 16 17 3 18 19 4 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 A constant force F = < 4, 6 > moves an object along a straight line from the point P(2,4) to the point Q(8,7). Find the work done if the distance is measured in feet and the force is measured in pounds. 1. 2. 3. 4.

42 ft-lb 46 ft-lb -46 ft-lb -42 ft-lb 25% 25% 25% 25% 1 2 3 4 5 6 7 8 9 10 11 12 13 1 14 15 2 16 17 3 18 19 4 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

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