In how many independent directions can a vector in a plane be resolved? a) 1 b) 2 c) 3 d) 4
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In how many independent directions can a vector in a plane be resolved?
a) 1
b) 2
c) 3
d) 4
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- A displacement vector points in a direction of θ = 25° left of the positive y-axis. The magnitude of this vector is D = 135 m. a) Enter an expression for the x-component vector, Dx, in terms of D, θ, and the unit vectors i and j. b) Enter an expression for the y-component vector, Dy, in terms of D, θ, and the unit vectors i and j. c)Enter an expression for the vector D in terms of D, θ, and the unit vectors i and j. d)What is the sum of the magnitudes of vectors Dx and Dy, in meters?Vector A points to the north and has length A. Vector B points to the east and has length B = 2.0 A.Find the magnitude of 4A + B terms of A. a) 4.9A b) 4.6A c) 3.6A d) 3.1AA vector has a magnitude of 2.8 m and points in a direction that is 135 counterclockwise from the a axis. You may want to review (Page 71).
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