Physics

Problem

A car travels

3\,\text{km}

due east in

10\,\text{min}

and then

4\,\text{km}

due north in the next

10\,\text{min}

. What is the magnitude of its average velocity for the whole journey? a)

21\,\text{km/h}

20\,\text{km/h}

15\,\text{km/h}

25\,\text{km/h}