An object travels North at #4 m/s# for #5 s# and then travels South at #9 m/s# for # 2 s#. What are the object's average speed and velocity?
2 Answers
Jan 14, 2018
Average speed =
Average velocity =
Explanation:
We know that average speed = total distance covered/total time taken.
So,total distance covered in this case in 7 seconds is
Now,avergae velocity = total displacement/total time taken
Here,the object has gone
Hence average velocity is
Jan 14, 2018
velocity=
speed=
Explanation: