Math Problem Statement
- A man walks 50 m [30° N of E], then 70 m [60° S of E], and finally 30 m [45° N of W]. What is the displacement of the man?
Solution
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Math Problem Analysis
Mathematical Concepts
Vector Addition
Trigonometry
Pythagorean Theorem
Formulas
x-component: x = d * cos(θ)
y-component: y = d * sin(θ)
Resultant displacement: d = √(x_total² + y_total²)
Direction: θ = arctan(y_total / x_total)
Theorems
Pythagorean Theorem
Trigonometric Identities
Suitable Grade Level
Grades 10-12
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