# An object travels North at #6 m/s# for #5 s# and then travels South at #7 m/s# for # 5 s#. What are the object's average speed and velocity?

##### 1 Answer

Jan 14, 2018

Average speed

Average velocity

#### Explanation:

Average

Average

Going north at 6m/s for 5s is 30m, and going south at 7m/s for 5s is 35m, hence the object in 10s has effectively gone south for 5m as a displacement despite it has actually traveled a total distance of 65m.

Bear in mind that for displacement going north is positive, south negative: