Three Vectors , , and Add Together

question 23

Multiple Choice

Three vectors , , and add together to yield zero: + + = 0. The vectors and point in opposite directions and their magnitudes are related by the expression: A = 2C. Which one of the following conclusions is correct?

• A) and have equal magnitudes and point in opposite directions.
• B) and have equal magnitudes and point in the same direction.
• C) and have equal magnitudes and point in opposite directions.
• D) and point in the same direction, but has twice the magnitude of .
• E) and point in the same direction, but has twice the magnitude of .

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