# An object travels North at #1 m/s# for #8 s# and then travels South at #6 m/s# for # 4 s#. What are the object's average speed and velocity?

##### 1 Answer

Average speed:

#### Explanation:

The object travels:

For a total distance of

and

a resulting displacement of

Total travel time:

Average speed

Average velocity

Notice that displacement and velocity should always contain a component indicating direction.