# An object travels North at #8 m/s# for #7 s# and then travels South at #3 m/s# for #9 s#. What are the object's average speed and velocity?

##### 1 Answer

Dec 15, 2017

The average speed is

#### Explanation:

Total distance travelled is

Total time is

The average speed is

The distance from the starting point is

The time is the same

The average velocity is