Consider the vector $\overline{v}$ between $\left(-3,1,-3\right)$ and $\left(7,10,3\right)$.

1. The vector $\overline{v}$ is .
   
   
2. The length of $\overline{v}$ is .
   
   
3. If the tail of $\overline{v}$ is at $\left(-3,2,-1\right)$, then the tip is at .
   
   
4. If the tip of $\overline{v}$ is at $\left(1,-1,2\right)$ then its tail is at .
   
   
5. What vector has the same length as $\overline{v}$, but points in the opposite direction? .
   
   
6. What vector has the same direction as $\overline{v}$, but is twice as long? .