An object travels North at #8 m/s# for #7 s# and then travels South at #3 m/s# for #4 s#. What are the object's average speed and velocity?
1 Answer
Apr 30, 2016
speed
Explanation:
Distance traveled due North in 7s @
Distance traveled due South in 4s @
Total Distance traveled
Total time taken =
So average speed
Now net displacement due North=
Hence Average velocity due North