Find the Magnitude and Direction Angle Of $\mathbf { v } = - 2 \mathbf { i } - 6 \mathbf { j }$

question 60

Multiple Choice

Find the magnitude and direction angle of $\mathbf { v } = - 2 \mathbf { i } - 6 \mathbf { j }$ .Round the direction angle to the nearest degree.

• A) ||v|| = \(3 \sqrt { 7 }\) ; \(\theta\) = 269°
• B) ||v|| = \(\sqrt { 30 }\) ; \(\theta\) = 239°
• C) ||v|| = \(2 \sqrt { 13 }\) ; \(\theta\) = 260°
• D) ||v|| = \(2 \sqrt { 10 }\) ; \(\theta\) = 252°
• E) ||v|| = \(\sqrt { 67 }\) ; \(\theta\)= 279°

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