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.