A hiker walks due east and then due north

PHYSICS · Single correct · CBSE · Physics · Motion in a Plane · Motion in a Plane

Problem

A hiker walks 6 km6\,\text{km} due east and then 8 km8\,\text{km} due north. What is the magnitude of his resultant displacement from the starting point? (a) 14 km14\text{ km} (b) 44 km  (≈6.6 km)\sqrt{44}\text{ km}\; (\approx 6.6\text{ km}) (c) 10 km10\text{ km} (d) 28 km  (≈5.3 km)\sqrt{28}\text{ km}\; (\approx 5.3\text{ km})

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