6 V 12 V+ 16 V 2 kN 8 V E 5 kN P = 100 mW I = 5 mA %3D
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Find both R and E in the two circles
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- Earth R y 0 Sun -X Determine the distance between the positions of the earth if the angle between its position vectors is 0. Express your answer in terms of the variables R and 0.Calculate the angle between the vectors A=(5;4) and B=(2;8)If ∣u⃗∣=3 , u⃗ is perpendicular to v⃗ and ∣3u⃗+v⃗∣=15, then ∣v⃗∣=
- Two points are given in polar coordinates by (r, 8) = (1.20 m, 50.0°) and (r, 0) = (4.00 m, -42.0°), respectively. What is the distance between them? mū u = (4, -2) Find the direction angle of u. Enter your answer as an angle in degrees between 0° and 360° rounded to the nearest hundredth. 0 =1. Consider two points in space A = (2,1,3) and B = (1,0, – 1), and let a' and b represent the vectors OA and OB , respectively, where O = (0,0,0) is the origin. (a) Find the coordinate of the fourth vertex of the parallelogram whose other three vertices are 0, A, and B. (b) Let c = a' + b, find the unit vectors î, î, and î, in the direction of a', b, and c, respectively. (c) Find the projection of 2 a – 3 b onto the x, y and z axis, respectively. (d) Find the angle between 2 a' – 3 b and the x, y and z axis, respectively.