Write a Vector in Terms of Its Magnitude and Direction $$| \mathbf { v } | = 10 , \theta = 120 ^ { \circ }$$

Multiple Choice

Write a Vector in Terms of Its Magnitude and Direction
- $$| \mathbf { v } | = 10 , \theta = 120 ^ { \circ }$$

A) $\mathbf { v } = - 5 \mathbf { i } + 5 \sqrt { 3 } \mathbf { j }$
B) $\mathbf { v } = 5 \sqrt { 3 } \mathbf { i } - 5 \mathbf { j }$
C) $\mathbf { v } = - 5 \sqrt { 2 } \mathbf { i } + 5 \sqrt { 2 } \mathbf { j }$
D) $\mathbf { v } = 5 \mathbf { i } - 5 \sqrt { 3 } \mathbf { j }$