Answer: Vectors A and 13 lie in an xy plane. A has
Chapter , Problem 47(choose chapter or problem)
Vectors \(\vec{A}\) and \(\vec{B}\) lie in an xy plane. \(\vec{A}\) has magnitude 8.00 and angle \(130^{\circ}\); \(\vec{B}\) has components \(B_{x}=-7.72\) and \(B_{y}=-9.20\). What are the angles between the negative direction of the y axis and
(a) the direction of \(\vec{A}\),
(b) the direction of the product \(\vec{A} \times \vec{B}\), and
(c) the direction of \(\vec{A} \times(\vec{B}+3.00 \hat{k})\) ?
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