Classical Mechanics
# Vector Kinematics

A boy walks $8 \text{ km}$ west, then $3 \text{ km}$ south, and then $3 \text{ km}$ east. Determine his net displacement.

Let $+\hat{i}$ be the unit vector for east, and $+\hat{j}$ be that for north.

$100 \text{ meters}$ north, then $300 \text{ meters}$ east, and at last $200 \text { meters}$ north. Now, how far is she from her initial position?

Caitlyn is walking around the campus. She walksA girl walks $600 \text{ m}$ east, then $1 \text{ km}$ south, and then $5 \text{ km}$ east. Find her total displacement.

$+\hat{i}$ is the unit vector for east, and $+\hat{j}$ is that for north.

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