# An object travels North at #1 m/s# for #3 s# and then travels South at #12 m/s# for #7 s#. What are the object's average speed and velocity?

##### 1 Answer

Mar 1, 2018

See the explanation below

#### Explanation:

The total distance travelled is

The total time is

The average speed is

The distance travelled is

The time is the same

The average speed is