Let $\vec { F} = - 4 Z \vec { k }$
(a)Compute $\operatorname { div } \vec { F } ( 0,0,0 )$ .
(b) By direct computation, find the flux of $\vec { F }$ through a cube with edge length l, centered at the origin and edges parallel to the axes.
(c)Explain how your answers in parts (b)are related to that of part (a).

Question

Let $\vec { F} = - 4 Z \vec { k }$ 
(a)Compute $\operatorname { div } \vec { F } ( 0,0,0 )$ . 
(b) By direct computation, find the flux of $\vec { F }$ through a cube with edge length l, centered at the origin and edges parallel to the axes.
(c)Explain how your answers in parts (b)are related to that of part (a).

Quizplus · Accepted Answer

The Answer of Let $\vec { F} = - 4 Z \vec { k }$ 
(a)Compute $\operatorname { div } \vec { F } ( 0,0,0 )$ . 
(b) By direct computation, find the flux of $\vec { F }$ through a cube with edge length l, centered at the origin and edges parallel to the axes.
(c)Explain how your answers in parts (b)are related to that of part (a).

Let F⃗=−4Zk⃗\vec { F} = - 4 Z \vec { k }F=−4Zk

Let $\vec { F} = - 4 Z \vec { k }$