2.15. \(\vec{A}×\vec{B}=−40.1\hat{k}\) or, equivalently, \(∣\vec{A}×\vec{B}∣=40.1\), and the direction is into the page; \(\vec{C}×\vec{F}=+157.6\hat{k}\) or, equivalently, \(∣\vec{C}×\vec{F}∣=157.6\)...2.15. \(\vec{A}×\vec{B}=−40.1\hat{k}\) or, equivalently, \(∣\vec{A}×\vec{B}∣=40.1\), and the direction is into the page; \(\vec{C}×\vec{F}=+157.6\hat{k}\) or, equivalently, \(∣\vec{C}×\vec{F}∣=157.6\), and the direction is out of the page. b. \(\vec{C}=\vec{A}·\vec{B}\) or \(\vec{C}=\vec{A}−\vec{B}\) 55. \(\vec{D}=(200\hat{i}+300\hat{j})yd\), D = 360.5 yd, \(56.3°\) north of east; The numerical answers would stay the same but the physical unit would be meters.
