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(Solved): 19. Vectors \( \vec{A} \) and \( \vec{B} \) are as indicated in the figure. What is \( \vec{A} \tim ...
19. Vectors \( \vec{A} \) and \( \vec{B} \) are as indicated in the figure. What is \( \vec{A} \times \vec{B} \) ? A) \( -A B \sin \left(90^{\circ}-\theta+\phi\right) \hat{k} \) B) \( A B \sin \left(90^{\circ}-\theta+\phi\right) \hat{k} \) C) \( -A B \sin \left(90^{\circ}+\theta-\phi\right) \hat{k} \) D) \( A B \sin \left(90^{\circ}+\theta\right) \hat{k} \) E) \( -A B \sin (\theta+\phi) \hat{k} \)
Expert Answer
For cross product of two vectors A?and B?, A?×B?=|A?||B?|sin?(?) n? Where |A?|and |B?|are the magnitude of vector A?, B? respectively, ? is the angle