Problem 17: The figure to the right shams the addition of two vectors A and B, w

Question

Problem 17: The figure to the right shams the addition of two vectors A and B, where the vectors have different orientations . All vectors A are the same length and all vectors B are the same length. For which figure is the magnitude of the vector that results from adding the two vectors the greatest. Select One of the Following (a) Figure (a) (b) Figure (b) (c) Figure (c) (d) Figure (d) (e) The magnitude of the vector sum is equal for all Figures Problem 18: The Figure to the right Shows Four positive point charges of varying charge at points plus or minus d and plus or minus 3d along the y-axis. What is the direction of the electric force on a positive charge placed at the origin? Select One of the Following: (a) The force is zero. (b) positive y direction(c)negative y direction

Explanation / Answer

i think that 17)C 18)B

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