A man walks 6 m north, then 12 m east, then 1 m south. How far is he from his starting point (in m)?
Answer and explanation
Correct answer: A. 13
- Step 1: Determine the net coordinate displacements: along the North-South axis, (North); along the East-West axis, (East).
- Step 2: Apply the Pythagorean theorem to calculate the straight-line displacement from the origin: .
- Step 3: Substitute the values: .
Answer
13.
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