A hiker starts at her campsite and follows three legs in succession: 1

PHYSICS · Single correct · AP · Physics 1: Algebra-based · Kinematics · Kinematics

Problem

A hiker starts at her campsite and follows three legs in succession: 1. 1.20 km1.20\,\text{km} at 40∘40^{\circ} north of east 2. 0.800 km0.800\,\text{km} at 60∘60^{\circ} west of north 3. 0.500 km0.500\,\text{km} due south Which of the following gives the magnitude and direction of her resultant displacement from the campsite? (a) 0.71 km0.71\,\text{km} at 19∘19^{\circ} north of east (b) 1.75 km1.75\,\text{km} at 23∘23^{\circ} north of east (c) 0.71 km0.71\,\text{km} at 71∘71^{\circ} north of east (d) 0.71 km0.71\,\text{km} at 71∘71^{\circ} east of north

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