If a = (3, -4, 5) and b = (-2, 1, 3), what is the ĵ component of a × b? - ROTATIONAL MOTION Quiz | GKFix.in

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Question

If a = (3, -4, 5) and b = (-2, 1, 3), what is the ĵ component of a × b?

A. -19
B. 19
C. -7
D. 7