Question

(a) A vector \vec{C} of magnitude 8 lies along the x axis, and a vector \vec{D} of magnitude 16 lies in the xy plane, 40 degrees from the x axis (see the figure). (b) What is the magnitude and direction of the cross product \vec{C} \times \vec{D}? magnitude $|\vec{C} \times \vec{D}| = direction +x -x +y -y +z -z in the xy plane, but not along the x or y axes in the xz plane, but not along the x or z axes in the yz plane, but not along the y or z axes What is the cross product \vec{D} \times \vec{C}? \vec{D} \times \vec{C} =

          (a) A vector \vec{C} of magnitude 8 lies along the x axis, and a vector \vec{D} of magnitude 16 lies in the xy plane, 40 degrees from the x axis (see the figure).
(b) What is the magnitude and direction of the cross product \vec{C} \times \vec{D}?
magnitude
$|\vec{C} \times \vec{D}| = 

direction
+x
-x
+y
-y
+z
-z
in the xy plane, but not along the x or y axes
in the xz plane, but not along the x or z axes
in the yz plane, but not along the y or z axes
What is the cross product \vec{D} \times \vec{C}?
\vec{D} \times \vec{C} =

(a) A vector C⃗ of magnitude 8 lies along the x axis, and a vector D⃗ of magnitude 16 lies in the xy plane, 40 degrees from the x axis (see the figure).
(b) What is the magnitude and direction of the cross product C⃗ ×D⃗?
magnitude
|C⃗×D⃗| =

direction
+x
-x
+y
-y
+z
-z
in the xy plane, but not along the x or y axes
in the xz plane, but not along the x or z axes
in the yz plane, but not along the y or z axes
What is the cross product D⃗×C⃗?
D⃗×C⃗ =

Added by Stephanie H.

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