Let A = 3î + 4ĵ and B = î. What is the magnitude of the component of A perpendicular to B? - WORK, ENERGY, AND POWER Quiz | GKFix.in

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Question

Let A = 3î + 4ĵ and B = î. What is the magnitude of the component of A perpendicular to B?

A. 3
B. 4
C. 5
D. 7