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1. Determine the coordinates of the point of intersection of the line 'l' defined by the parametric equations and the plane ? defined by the

1. Determine the coordinates of the point of intersection of the line 'l' defined by the parametric equations and the plane ? defined by the scalar equation. (6 marks) I : x = 4 + t y = 2 -2t z = 6 + 3t? : x + 5y +z - 8 = 0Q.41. An airplane is flying at an airspeed of 550 km/h, on a heading of 080. A 60-km/h wind is blowing from a bearing of 120. Determine the ground velocity of the airplane and the direction of flight. 3. A wrench is used to tighten a bolt. A force of 90 N is applied in a counter clockwise direction at 70 to the handle, 15 cm from the centre of the bolt.a) Calculate the magnitude of the torque.b) In which direction does the bolt move?

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2. Determine the value of k so that u = [4 ,1, 3] and v = [-1 ,5, k] are orthogonal. 3. The initial point of vector MN = [2 , 4 ,-7] is M(-5 ,0 ,3). Determine the coordinates of the terminal point , N. 4. the area of the parallelogram defined by the vectors u = [6 ,3, 8] and v = [3, 3, 5]. Determine the angle between vectors u and v Que.3 Do the following sums.(C) (18 marks) 1. what is the magnitude of 4 for any vector ? (2 marks) 2. Explain what the term consistent means in the context of a system of three planes. 3. Explain how the vectors ,5 7 , and -5 7 are related. (3 marks) 4. Is the following statement true or false ? Explain your decision. " if u x v=v x u, then u is orthogonal & v. 5. Prove distributive property of vectors addition using 2 -D Cartesian vectors. 6. Write some application of the dot product measure? 4.2. The plane it has vector equation = [2,1,3] + s[1,1,1] + t[2,0,2] , s,t ER. a. Verify that i does not pass through the origin. b. Find the distance from the origin to n

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