Express the vector as a product of its length and direction.
-7j
A) $7 \mathbf { j }$
B) $7 ( 7 \mathbf { j } )$
C) $\frac { 1 } { 7 } \mathbf { j }$
D) $\left( \frac { 1 } { 7 } \mathrm { j } \right)$

Question

Express the vector as a product of its length and direction.
-7j 
A) $7 \mathbf { j }$
B) $7 ( 7 \mathbf { j } )$
C) $\frac { 1 } { 7 } \mathbf { j }$
D) $\left( \frac { 1 } { 7 } \mathrm { j } \right)$

Quizplus · Accepted Answer

The vector $7\mathbf{j}$ is already expressed as a product of its length (7) and its direction ($\mathbf{j}$), which is the unit vector in the y-direction.

Express the Vector as a Product of Its Length and Direction