What is the magnitude of the vector sum A + B if A = 3î + 4ĵ, B = 4î - 3ĵ and A·B = 0? - WORK, ENERGY, AND POWER Quiz | GKFix.in

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Question

What is the magnitude of the vector sum A + B if A = 3î + 4ĵ, B = 4î - 3ĵ and A·B = 0?

A. 5
B. 10
C. 5√2
D. 0