11.What is the angle between A = î + ĵ and B = ĵ – k ? 30° ® 45° = 50 cm with a vector B is 0 and the angle between them is 60° 90° 12.The dot product of A 45°?The magnitude of B is ; A 0 cm 13.If the dot product of two nonzero vectors A and B is zero then the magnitude of their cross product is? O 50 cm O-50 cm None of these

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