# An object travels North at #8 m/s# for #7 s# and then travels South at #4 m/s# for #3 s#. What are the object's average speed and velocity?

##### 1 Answer

Jun 28, 2017

#### Answer:

The average speed is

The average velocity is

#### Explanation:

The total distance travelled is

The total time is

The average speed is

The displacement is

The average velocity is