Answers MO-Algebra II A Vector Addition and SubtractionQuestion 7

7

QuizMultiple Choice

Vector Addition and Subtraction

Question 7 of 10 • MO-Algebra II A

Let |u| = 10 at an angle of 45° and |v| = 13 at an angle of 150°, and w = u + v. What is the magnitude and direction angle of w?

Answer

A

|w| = 9.4; θ = 72.9°

B

|w| = 9.4; θ = 107.1°

C

|w| = 14.2; θ = 72.9°

D

|w| = 14.2; θ = 107.1°

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