Math Problem Statement
Vector u has a magnitude of 26 and vector v has a magnitude of 58. The angle between the two vectors is 77 degrees. a) Draw a fully-labelled vector diagram showing the two vectors and the resultant vector when they are added together. b) Find the magnitude of the resultant vector. c) Find the direction of the resultant vector relative to vector u.
Solution
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Math Problem Analysis
Mathematical Concepts
Vector Addition
Trigonometry
Law of Cosines
Law of Sines
Formulas
Law of Cosines: R = sqrt(u^2 + v^2 + 2uv * cos(θ))
Direction Angle: α = arctan(v * sin(θ) / (u + v * cos(θ)))
Theorems
Law of Cosines
Law of Sines
Suitable Grade Level
Grades 10-12
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