Question: 1.Find the angle between the vectors u = [ 9,1, 3] and v = [0,2, 5] 2.Given the symmetric equations t=x-6/2and t=y+1/7,find the vector equation

1.Find the angle between the vectors u = [ 9,1, 3] and v = [0,2, 5]

2.Given the symmetric equations t=x-6/2and t=y+1/7,find the vector equation of the line

3.Find the intersection of the line [x, y, z] = [1,4, 2] + t [1, 1,3] and the plane 2x 4y + 7z 26 = 0

4.A traffic light at an intersection is hanging from two wires of equal length making angles of 10below the horizontal.The traffic light weighs 2500 N.What are tensions in the wires?

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