Graphical Addition: Vectors  and  obey the equation  +  = 0. These vectors satisfy which one of the following statements?

A. Vectors  and  are at right angles to each other.
B. Vectors  and  point in the same direction.
C. Vectors  and  have the same magnitudes.
D. The magnitude of  is the negative of the magnitude of .


Answer: C

Physics & Space Science

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