Displacement vector points due east and has a magnitude of 3.35 km. displacement vector points due north and has a magnitude of 9.31 km. displacement vector points due west and has a magnitude of 6.66 km. displacement vector points due south and has a magnitude of 3.65 km. find (a) the magnitude of the resultant vector + + + , and (b) its direction as a positive angle relative to due west.

(a) 6.56 km

(b) north of west

Explanation:

Given:

Let the resultant displacement vector be .

As the resultant is the vector sum of all the vectors.

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a charge 3q is at the origin, and a charge −2q is on the positive x axis at x=a. part a where on the x-axis would you place a third charge so it would experience no net electric force? enter an expression for the exact answer, which will involve a square-root sign. (do not enter an approximate decimal answer.)