Unit Vectors Video Lessons

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Problem:  Given the vector A=4.00i+7.00j and vector B=5.00i−2.00j, 1. Find the direction of the vector difference A−B. ∘ counterclockwise from +x direction 2. In a vector diagram show A, B, and C=A−B. 

FREE Expert Solution

1.

The direction is obtained from:

tanθ=AyAx

θ = tan-1 (Ay/Ax)

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Problem Details

 Given the vector A=4.00i+7.00j and vector B=5.00i−2.00j, 

1. Find the direction of the vector difference A−B. ∘ counterclockwise from +x direction 

2. In a vector diagram show A, B, and C=A−B. 

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