If vector A has magnitude 10 and makes an angle of 60° with vector B of magnitude 8, what is A·B? - WORK, ENERGY, AND POWER Quiz | GKFix.in

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Question

If vector A has magnitude 10 and makes an angle of 60° with vector B of magnitude 8, what is A·B?

A. 80
B. 40
C. 0
D. -40