Physics

Problem

A backpacker follows a path that is always either due east or due west. The legs of the trip are, in order: •

2.0\,\text{km}

east •

500\,\text{m}

west •

1.2\,\text{km}

west •

0.8\,\text{km}

east •

300\,\text{m}

west Taking east as the positive direction, what is the backpacker’s overall displacement? a)

4.8\,\text{km}

east b)

1.1\,\text{km}

east c)

800\,\text{m}

east d)

800\,\text{m}

west